Home / 45,040.38-67,564.02-15,457.98

Finding the Fourth Proportional to 45,040.38, 67,564.02 and 15,457.98

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Solution

The fourth proportional to 45,040.38, 67,564.02 and 15,457.98 is: 23,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.38 : 67,564.02 = 15,457.98 : x
  2. Step 2: Convert to fraction form
    45,040.38/67,564.02 = 15,457.98/x
  3. Step 3: Cross multiply
    45,040.38x = 67,564.02 × 15,457.98
  4. Step 4: Simplify right side
    45,040.38x = 1,044,403,269.88
  5. Step 5: Solve for x
    x = 1,044,403,269.88/45,040.38
  6. Step 6: Final answer
    x = 23,188.15

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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.