Home / 39,331.23-58,961.88-28,209.93

Finding the Fourth Proportional to 39,331.23, 58,961.88 and 28,209.93

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Solution

The fourth proportional to 39,331.23, 58,961.88 and 28,209.93 is: 42,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331.23 : 58,961.88 = 28,209.93 : x
  2. Step 2: Convert to fraction form
    39,331.23/58,961.88 = 28,209.93/x
  3. Step 3: Cross multiply
    39,331.23x = 58,961.88 × 28,209.93
  4. Step 4: Simplify right side
    39,331.23x = 1,663,310,507.47
  5. Step 5: Solve for x
    x = 1,663,310,507.47/39,331.23
  6. Step 6: Final answer
    x = 42,289.82

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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.