Home / 56,272.71-84,367.15-18,810.62

Finding the Fourth Proportional to 56,272.71, 84,367.15 and 18,810.62

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Solution

The fourth proportional to 56,272.71, 84,367.15 and 18,810.62 is: 28,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272.71 : 84,367.15 = 18,810.62 : x
  2. Step 2: Convert to fraction form
    56,272.71/84,367.15 = 18,810.62/x
  3. Step 3: Cross multiply
    56,272.71x = 84,367.15 × 18,810.62
  4. Step 4: Simplify right side
    56,272.71x = 1,586,998,399.13
  5. Step 5: Solve for x
    x = 1,586,998,399.13/56,272.71
  6. Step 6: Final answer
    x = 28,201.92

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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.