Home / 58,445.55-87,677.74-20,505.35

Finding the Fourth Proportional to 58,445.55, 87,677.74 and 20,505.35

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Solution

The fourth proportional to 58,445.55, 87,677.74 and 20,505.35 is: 30,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,445.55 : 87,677.74 = 20,505.35 : x
  2. Step 2: Convert to fraction form
    58,445.55/87,677.74 = 20,505.35/x
  3. Step 3: Cross multiply
    58,445.55x = 87,677.74 × 20,505.35
  4. Step 4: Simplify right side
    58,445.55x = 1,797,862,990.74
  5. Step 5: Solve for x
    x = 1,797,862,990.74/58,445.55
  6. Step 6: Final answer
    x = 30,761.33

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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.