Home / 42,489.61-63,679.78-17,547.17

Finding the Fourth Proportional to 42,489.61, 63,679.78 and 17,547.17

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Solution

The fourth proportional to 42,489.61, 63,679.78 and 17,547.17 is: 26,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,489.61 : 63,679.78 = 17,547.17 : x
  2. Step 2: Convert to fraction form
    42,489.61/63,679.78 = 17,547.17/x
  3. Step 3: Cross multiply
    42,489.61x = 63,679.78 × 17,547.17
  4. Step 4: Simplify right side
    42,489.61x = 1,117,400,040.55
  5. Step 5: Solve for x
    x = 1,117,400,040.55/42,489.61
  6. Step 6: Final answer
    x = 26,298.20

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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.