Home / 60,583.78-90,869.19-21,141.64

Finding the Fourth Proportional to 60,583.78, 90,869.19 and 21,141.64

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Solution

The fourth proportional to 60,583.78, 90,869.19 and 21,141.64 is: 31,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,583.78 : 90,869.19 = 21,141.64 : x
  2. Step 2: Convert to fraction form
    60,583.78/90,869.19 = 21,141.64/x
  3. Step 3: Cross multiply
    60,583.78x = 90,869.19 × 21,141.64
  4. Step 4: Simplify right side
    60,583.78x = 1,921,123,702.07
  5. Step 5: Solve for x
    x = 1,921,123,702.07/60,583.78
  6. Step 6: Final answer
    x = 31,710.20

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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.