Home / 45,125.96-67,689.08-15,543.41

Finding the Fourth Proportional to 45,125.96, 67,689.08 and 15,543.41

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Solution

The fourth proportional to 45,125.96, 67,689.08 and 15,543.41 is: 23,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125.96 : 67,689.08 = 15,543.41 : x
  2. Step 2: Convert to fraction form
    45,125.96/67,689.08 = 15,543.41/x
  3. Step 3: Cross multiply
    45,125.96x = 67,689.08 × 15,543.41
  4. Step 4: Simplify right side
    45,125.96x = 1,052,119,045.25
  5. Step 5: Solve for x
    x = 1,052,119,045.25/45,125.96
  6. Step 6: Final answer
    x = 23,315.16

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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.