Home / 39,115.08-58,641.66-14,151.24

Finding the Fourth Proportional to 39,115.08, 58,641.66 and 14,151.24

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Solution

The fourth proportional to 39,115.08, 58,641.66 and 14,151.24 is: 21,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.08 : 58,641.66 = 14,151.24 : x
  2. Step 2: Convert to fraction form
    39,115.08/58,641.66 = 14,151.24/x
  3. Step 3: Cross multiply
    39,115.08x = 58,641.66 × 14,151.24
  4. Step 4: Simplify right side
    39,115.08x = 829,852,204.66
  5. Step 5: Solve for x
    x = 829,852,204.66/39,115.08
  6. Step 6: Final answer
    x = 21,215.66

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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.