Home / 57,112.46-85,677.87-19,663.33

Finding the Fourth Proportional to 57,112.46, 85,677.87 and 19,663.33

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Solution

The fourth proportional to 57,112.46, 85,677.87 and 19,663.33 is: 29,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.46 : 85,677.87 = 19,663.33 : x
  2. Step 2: Convert to fraction form
    57,112.46/85,677.87 = 19,663.33/x
  3. Step 3: Cross multiply
    57,112.46x = 85,677.87 × 19,663.33
  4. Step 4: Simplify right side
    57,112.46x = 1,684,711,803.12
  5. Step 5: Solve for x
    x = 1,684,711,803.12/57,112.46
  6. Step 6: Final answer
    x = 29,498.15

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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.