Home / 61,557.28-92,342.60-19,438.49

Finding the Fourth Proportional to 61,557.28, 92,342.60 and 19,438.49

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Solution

The fourth proportional to 61,557.28, 92,342.60 and 19,438.49 is: 29,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.28 : 92,342.60 = 19,438.49 : x
  2. Step 2: Convert to fraction form
    61,557.28/92,342.60 = 19,438.49/x
  3. Step 3: Cross multiply
    61,557.28x = 92,342.60 × 19,438.49
  4. Step 4: Simplify right side
    61,557.28x = 1,795,000,706.67
  5. Step 5: Solve for x
    x = 1,795,000,706.67/61,557.28
  6. Step 6: Final answer
    x = 29,159.84

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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.