Home / 56,505.20-84,796.20-31,545.20

Finding the Fourth Proportional to 56,505.20, 84,796.20 and 31,545.20

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Solution

The fourth proportional to 56,505.20, 84,796.20 and 31,545.20 is: 47,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,505.20 : 84,796.20 = 31,545.20 : x
  2. Step 2: Convert to fraction form
    56,505.20/84,796.20 = 31,545.20/x
  3. Step 3: Cross multiply
    56,505.20x = 84,796.20 × 31,545.20
  4. Step 4: Simplify right side
    56,505.20x = 2,674,913,088.24
  5. Step 5: Solve for x
    x = 2,674,913,088.24/56,505.20
  6. Step 6: Final answer
    x = 47,339.24

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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.