Home / 39,318.08-58,977.12-11,613.92

Finding the Fourth Proportional to 39,318.08, 58,977.12 and 11,613.92

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Solution

The fourth proportional to 39,318.08, 58,977.12 and 11,613.92 is: 17,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.08 : 58,977.12 = 11,613.92 : x
  2. Step 2: Convert to fraction form
    39,318.08/58,977.12 = 11,613.92/x
  3. Step 3: Cross multiply
    39,318.08x = 58,977.12 × 11,613.92
  4. Step 4: Simplify right side
    39,318.08x = 684,955,553.51
  5. Step 5: Solve for x
    x = 684,955,553.51/39,318.08
  6. Step 6: Final answer
    x = 17,420.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.