Home / 39,052.12-53,892.18-21,147.13

Finding the Fourth Proportional to 39,052.12, 53,892.18 and 21,147.13

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Solution

The fourth proportional to 39,052.12, 53,892.18 and 21,147.13 is: 29,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,052.12 : 53,892.18 = 21,147.13 : x
  2. Step 2: Convert to fraction form
    39,052.12/53,892.18 = 21,147.13/x
  3. Step 3: Cross multiply
    39,052.12x = 53,892.18 × 21,147.13
  4. Step 4: Simplify right side
    39,052.12x = 1,139,664,666.98
  5. Step 5: Solve for x
    x = 1,139,664,666.98/39,052.12
  6. Step 6: Final answer
    x = 29,183.17

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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.