Home / 65,921.64-98,882.46-38,239.08

Finding the Fourth Proportional to 65,921.64, 98,882.46 and 38,239.08

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Solution

The fourth proportional to 65,921.64, 98,882.46 and 38,239.08 is: 57,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921.64 : 98,882.46 = 38,239.08 : x
  2. Step 2: Convert to fraction form
    65,921.64/98,882.46 = 38,239.08/x
  3. Step 3: Cross multiply
    65,921.64x = 98,882.46 × 38,239.08
  4. Step 4: Simplify right side
    65,921.64x = 3,781,174,298.54
  5. Step 5: Solve for x
    x = 3,781,174,298.54/65,921.64
  6. Step 6: Final answer
    x = 57,358.62

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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.