Home / 45,972.20-69,023.10-28,476.20

Finding the Fourth Proportional to 45,972.20, 69,023.10 and 28,476.20

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Solution

The fourth proportional to 45,972.20, 69,023.10 and 28,476.20 is: 42,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,972.20 : 69,023.10 = 28,476.20 : x
  2. Step 2: Convert to fraction form
    45,972.20/69,023.10 = 28,476.20/x
  3. Step 3: Cross multiply
    45,972.20x = 69,023.10 × 28,476.20
  4. Step 4: Simplify right side
    45,972.20x = 1,965,515,600.22
  5. Step 5: Solve for x
    x = 1,965,515,600.22/45,972.20
  6. Step 6: Final answer
    x = 42,754.44

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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.