Home / 83,591.04-125,386.12-20,411.52

Finding the Fourth Proportional to 83,591.04, 125,386.12 and 20,411.52

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Solution

The fourth proportional to 83,591.04, 125,386.12 and 20,411.52 is: 30,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,591.04 : 125,386.12 = 20,411.52 : x
  2. Step 2: Convert to fraction form
    83,591.04/125,386.12 = 20,411.52/x
  3. Step 3: Cross multiply
    83,591.04x = 125,386.12 × 20,411.52
  4. Step 4: Simplify right side
    83,591.04x = 2,559,321,296.10
  5. Step 5: Solve for x
    x = 2,559,321,296.10/83,591.04
  6. Step 6: Final answer
    x = 30,617.17

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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.