Home / 75,015.20-112,508.40-22,426.40

Finding the Fourth Proportional to 75,015.20, 112,508.40 and 22,426.40

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Solution

The fourth proportional to 75,015.20, 112,508.40 and 22,426.40 is: 33,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,015.20 : 112,508.40 = 22,426.40 : x
  2. Step 2: Convert to fraction form
    75,015.20/112,508.40 = 22,426.40/x
  3. Step 3: Cross multiply
    75,015.20x = 112,508.40 × 22,426.40
  4. Step 4: Simplify right side
    75,015.20x = 2,523,158,381.76
  5. Step 5: Solve for x
    x = 2,523,158,381.76/75,015.20
  6. Step 6: Final answer
    x = 33,635.30

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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.