Home / 60,258.32-90,387.02-18,138.22

Finding the Fourth Proportional to 60,258.32, 90,387.02 and 18,138.22

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Solution

The fourth proportional to 60,258.32, 90,387.02 and 18,138.22 is: 27,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,258.32 : 90,387.02 = 18,138.22 : x
  2. Step 2: Convert to fraction form
    60,258.32/90,387.02 = 18,138.22/x
  3. Step 3: Cross multiply
    60,258.32x = 90,387.02 × 18,138.22
  4. Step 4: Simplify right side
    60,258.32x = 1,639,459,473.28
  5. Step 5: Solve for x
    x = 1,639,459,473.28/60,258.32
  6. Step 6: Final answer
    x = 27,207.19

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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.