Home / 38,189.24-52,699.30-21,193.28

Finding the Fourth Proportional to 38,189.24, 52,699.30 and 21,193.28

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Solution

The fourth proportional to 38,189.24, 52,699.30 and 21,193.28 is: 29,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.24 : 52,699.30 = 21,193.28 : x
  2. Step 2: Convert to fraction form
    38,189.24/52,699.30 = 21,193.28/x
  3. Step 3: Cross multiply
    38,189.24x = 52,699.30 × 21,193.28
  4. Step 4: Simplify right side
    38,189.24x = 1,116,871,020.70
  5. Step 5: Solve for x
    x = 1,116,871,020.70/38,189.24
  6. Step 6: Final answer
    x = 29,245.70

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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.