Home / 66,503.20-91,776-37,827.52

Finding the Fourth Proportional to 66,503.20, 91,776 and 37,827.52

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Solution

The fourth proportional to 66,503.20, 91,776 and 37,827.52 is: 52,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503.20 : 91,776 = 37,827.52 : x
  2. Step 2: Convert to fraction form
    66,503.20/91,776 = 37,827.52/x
  3. Step 3: Cross multiply
    66,503.20x = 91,776 × 37,827.52
  4. Step 4: Simplify right side
    66,503.20x = 3,471,658,475.52
  5. Step 5: Solve for x
    x = 3,471,658,475.52/66,503.20
  6. Step 6: Final answer
    x = 52,202.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.