Home / 71,197.16-98,251-38,931.88

Finding the Fourth Proportional to 71,197.16, 98,251 and 38,931.88

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Solution

The fourth proportional to 71,197.16, 98,251 and 38,931.88 is: 53,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.16 : 98,251 = 38,931.88 : x
  2. Step 2: Convert to fraction form
    71,197.16/98,251 = 38,931.88/x
  3. Step 3: Cross multiply
    71,197.16x = 98,251 × 38,931.88
  4. Step 4: Simplify right side
    71,197.16x = 3,825,096,141.88
  5. Step 5: Solve for x
    x = 3,825,096,141.88/71,197.16
  6. Step 6: Final answer
    x = 53,725.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.