Home / 38,710.78-58,071.33-15,331.72

Finding the Fourth Proportional to 38,710.78, 58,071.33 and 15,331.72

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Solution

The fourth proportional to 38,710.78, 58,071.33 and 15,331.72 is: 22,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,710.78 : 58,071.33 = 15,331.72 : x
  2. Step 2: Convert to fraction form
    38,710.78/58,071.33 = 15,331.72/x
  3. Step 3: Cross multiply
    38,710.78x = 58,071.33 × 15,331.72
  4. Step 4: Simplify right side
    38,710.78x = 890,333,371.59
  5. Step 5: Solve for x
    x = 890,333,371.59/38,710.78
  6. Step 6: Final answer
    x = 22,999.62

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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.