Home / 42,225-63,315.36-17,251.08

Finding the Fourth Proportional to 42,225, 63,315.36 and 17,251.08

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Solution

The fourth proportional to 42,225, 63,315.36 and 17,251.08 is: 25,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,225 : 63,315.36 = 17,251.08 : x
  2. Step 2: Convert to fraction form
    42,225/63,315.36 = 17,251.08/x
  3. Step 3: Cross multiply
    42,225x = 63,315.36 × 17,251.08
  4. Step 4: Simplify right side
    42,225x = 1,092,258,340.59
  5. Step 5: Solve for x
    x = 1,092,258,340.59/42,225
  6. Step 6: Final answer
    x = 25,867.57

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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.