Home / 56,496.18-84,711.02-21,438.30

Finding the Fourth Proportional to 56,496.18, 84,711.02 and 21,438.30

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Solution

The fourth proportional to 56,496.18, 84,711.02 and 21,438.30 is: 32,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.18 : 84,711.02 = 21,438.30 : x
  2. Step 2: Convert to fraction form
    56,496.18/84,711.02 = 21,438.30/x
  3. Step 3: Cross multiply
    56,496.18x = 84,711.02 × 21,438.30
  4. Step 4: Simplify right side
    56,496.18x = 1,816,060,260.07
  5. Step 5: Solve for x
    x = 1,816,060,260.07/56,496.18
  6. Step 6: Final answer
    x = 32,144.83

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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.