Home / 56,724.50-85,095.96-19,287.92

Finding the Fourth Proportional to 56,724.50, 85,095.96 and 19,287.92

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Solution

The fourth proportional to 56,724.50, 85,095.96 and 19,287.92 is: 28,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724.50 : 85,095.96 = 19,287.92 : x
  2. Step 2: Convert to fraction form
    56,724.50/85,095.96 = 19,287.92/x
  3. Step 3: Cross multiply
    56,724.50x = 85,095.96 × 19,287.92
  4. Step 4: Simplify right side
    56,724.50x = 1,641,324,068.80
  5. Step 5: Solve for x
    x = 1,641,324,068.80/56,724.50
  6. Step 6: Final answer
    x = 28,935.01

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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.