Home / 75,276.60-112,920.38-22,690.20

Finding the Fourth Proportional to 75,276.60, 112,920.38 and 22,690.20

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Solution

The fourth proportional to 75,276.60, 112,920.38 and 22,690.20 is: 34,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.60 : 112,920.38 = 22,690.20 : x
  2. Step 2: Convert to fraction form
    75,276.60/112,920.38 = 22,690.20/x
  3. Step 3: Cross multiply
    75,276.60x = 112,920.38 × 22,690.20
  4. Step 4: Simplify right side
    75,276.60x = 2,562,186,006.28
  5. Step 5: Solve for x
    x = 2,562,186,006.28/75,276.60
  6. Step 6: Final answer
    x = 34,036.95

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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.