Home / 42,201.29-63,278.59-17,258.86

Finding the Fourth Proportional to 42,201.29, 63,278.59 and 17,258.86

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Solution

The fourth proportional to 42,201.29, 63,278.59 and 17,258.86 is: 25,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.29 : 63,278.59 = 17,258.86 : x
  2. Step 2: Convert to fraction form
    42,201.29/63,278.59 = 17,258.86/x
  3. Step 3: Cross multiply
    42,201.29x = 63,278.59 × 17,258.86
  4. Step 4: Simplify right side
    42,201.29x = 1,092,116,129.56
  5. Step 5: Solve for x
    x = 1,092,116,129.56/42,201.29
  6. Step 6: Final answer
    x = 25,878.74

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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.