Home / 61,780.14-92,670.21-15,032.61

Finding the Fourth Proportional to 61,780.14, 92,670.21 and 15,032.61

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Solution

The fourth proportional to 61,780.14, 92,670.21 and 15,032.61 is: 22,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.14 : 92,670.21 = 15,032.61 : x
  2. Step 2: Convert to fraction form
    61,780.14/92,670.21 = 15,032.61/x
  3. Step 3: Cross multiply
    61,780.14x = 92,670.21 × 15,032.61
  4. Step 4: Simplify right side
    61,780.14x = 1,393,075,125.55
  5. Step 5: Solve for x
    x = 1,393,075,125.55/61,780.14
  6. Step 6: Final answer
    x = 22,548.92

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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.