Home / 39,291.65-58,935.91-9,708.72

Finding the Fourth Proportional to 39,291.65, 58,935.91 and 9,708.72

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Solution

The fourth proportional to 39,291.65, 58,935.91 and 9,708.72 is: 14,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.65 : 58,935.91 = 9,708.72 : x
  2. Step 2: Convert to fraction form
    39,291.65/58,935.91 = 9,708.72/x
  3. Step 3: Cross multiply
    39,291.65x = 58,935.91 × 9,708.72
  4. Step 4: Simplify right side
    39,291.65x = 572,192,248.14
  5. Step 5: Solve for x
    x = 572,192,248.14/39,291.65
  6. Step 6: Final answer
    x = 14,562.69

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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.