Home / 60,436.32-90,651.75-20,996.52

Finding the Fourth Proportional to 60,436.32, 90,651.75 and 20,996.52

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Solution

The fourth proportional to 60,436.32, 90,651.75 and 20,996.52 is: 31,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,436.32 : 90,651.75 = 20,996.52 : x
  2. Step 2: Convert to fraction form
    60,436.32/90,651.75 = 20,996.52/x
  3. Step 3: Cross multiply
    60,436.32x = 90,651.75 × 20,996.52
  4. Step 4: Simplify right side
    60,436.32x = 1,903,371,281.91
  5. Step 5: Solve for x
    x = 1,903,371,281.91/60,436.32
  6. Step 6: Final answer
    x = 31,493.83

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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.