Home / 60,098.40-90,162.36-20,656.08

Finding the Fourth Proportional to 60,098.40, 90,162.36 and 20,656.08

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Solution

The fourth proportional to 60,098.40, 90,162.36 and 20,656.08 is: 30,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,098.40 : 90,162.36 = 20,656.08 : x
  2. Step 2: Convert to fraction form
    60,098.40/90,162.36 = 20,656.08/x
  3. Step 3: Cross multiply
    60,098.40x = 90,162.36 × 20,656.08
  4. Step 4: Simplify right side
    60,098.40x = 1,862,400,921.15
  5. Step 5: Solve for x
    x = 1,862,400,921.15/60,098.40
  6. Step 6: Final answer
    x = 30,989.19

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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.