Home / 39,167.13-54,050.70-21,262.14

Finding the Fourth Proportional to 39,167.13, 54,050.70 and 21,262.14

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Solution

The fourth proportional to 39,167.13, 54,050.70 and 21,262.14 is: 29,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.13 : 54,050.70 = 21,262.14 : x
  2. Step 2: Convert to fraction form
    39,167.13/54,050.70 = 21,262.14/x
  3. Step 3: Cross multiply
    39,167.13x = 54,050.70 × 21,262.14
  4. Step 4: Simplify right side
    39,167.13x = 1,149,233,550.50
  5. Step 5: Solve for x
    x = 1,149,233,550.50/39,167.13
  6. Step 6: Final answer
    x = 29,341.79

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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.