Home / 42,126.75-63,162.05-17,160.12

Finding the Fourth Proportional to 42,126.75, 63,162.05 and 17,160.12

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Solution

The fourth proportional to 42,126.75, 63,162.05 and 17,160.12 is: 25,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126.75 : 63,162.05 = 17,160.12 : x
  2. Step 2: Convert to fraction form
    42,126.75/63,162.05 = 17,160.12/x
  3. Step 3: Cross multiply
    42,126.75x = 63,162.05 × 17,160.12
  4. Step 4: Simplify right side
    42,126.75x = 1,083,868,271.65
  5. Step 5: Solve for x
    x = 1,083,868,271.65/42,126.75
  6. Step 6: Final answer
    x = 25,728.74

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1.5x scale

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.