Home / 71,286.02-98,373.51-39,454.23

Finding the Fourth Proportional to 71,286.02, 98,373.51 and 39,454.23

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Solution

The fourth proportional to 71,286.02, 98,373.51 and 39,454.23 is: 54,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,286.02 : 98,373.51 = 39,454.23 : x
  2. Step 2: Convert to fraction form
    71,286.02/98,373.51 = 39,454.23/x
  3. Step 3: Cross multiply
    71,286.02x = 98,373.51 × 39,454.23
  4. Step 4: Simplify right side
    71,286.02x = 3,881,251,089.45
  5. Step 5: Solve for x
    x = 3,881,251,089.45/71,286.02
  6. Step 6: Final answer
    x = 54,446.18

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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.