Home / 38,401.49-52,997.13-21,411.24

Finding the Fourth Proportional to 38,401.49, 52,997.13 and 21,411.24

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Solution

The fourth proportional to 38,401.49, 52,997.13 and 21,411.24 is: 29,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.49 : 52,997.13 = 21,411.24 : x
  2. Step 2: Convert to fraction form
    38,401.49/52,997.13 = 21,411.24/x
  3. Step 3: Cross multiply
    38,401.49x = 52,997.13 × 21,411.24
  4. Step 4: Simplify right side
    38,401.49x = 1,134,734,269.74
  5. Step 5: Solve for x
    x = 1,134,734,269.74/38,401.49
  6. Step 6: Final answer
    x = 29,549.23

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Half scale
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Double scale
Find fourth proportional to 38,402.49, 52,998.51 and 21,412.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.