Home / 45,038.38-67,561.02-15,455.98

Finding the Fourth Proportional to 45,038.38, 67,561.02 and 15,455.98

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Solution

The fourth proportional to 45,038.38, 67,561.02 and 15,455.98 is: 23,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.38 : 67,561.02 = 15,455.98 : x
  2. Step 2: Convert to fraction form
    45,038.38/67,561.02 = 15,455.98/x
  3. Step 3: Cross multiply
    45,038.38x = 67,561.02 × 15,455.98
  4. Step 4: Simplify right side
    45,038.38x = 1,044,221,773.90
  5. Step 5: Solve for x
    x = 1,044,221,773.90/45,038.38
  6. Step 6: Final answer
    x = 23,185.15

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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.