Home / 30,257.20-45,385.80-23,250.70

Finding the Fourth Proportional to 30,257.20, 45,385.80 and 23,250.70

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Solution

The fourth proportional to 30,257.20, 45,385.80 and 23,250.70 is: 34,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.20 : 45,385.80 = 23,250.70 : x
  2. Step 2: Convert to fraction form
    30,257.20/45,385.80 = 23,250.70/x
  3. Step 3: Cross multiply
    30,257.20x = 45,385.80 × 23,250.70
  4. Step 4: Simplify right side
    30,257.20x = 1,055,251,620.06
  5. Step 5: Solve for x
    x = 1,055,251,620.06/30,257.20
  6. Step 6: Final answer
    x = 34,876.05

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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.