Home / 38,029-52,480.20-21,265.24

Finding the Fourth Proportional to 38,029, 52,480.20 and 21,265.24

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Solution

The fourth proportional to 38,029, 52,480.20 and 21,265.24 is: 29,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,029 : 52,480.20 = 21,265.24 : x
  2. Step 2: Convert to fraction form
    38,029/52,480.20 = 21,265.24/x
  3. Step 3: Cross multiply
    38,029x = 52,480.20 × 21,265.24
  4. Step 4: Simplify right side
    38,029x = 1,116,004,048.25
  5. Step 5: Solve for x
    x = 1,116,004,048.25/38,029
  6. Step 6: Final answer
    x = 29,346.13

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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.