Home / 50,278.68-69,385.16-27,618.20

Finding the Fourth Proportional to 50,278.68, 69,385.16 and 27,618.20

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Solution

The fourth proportional to 50,278.68, 69,385.16 and 27,618.20 is: 38,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278.68 : 69,385.16 = 27,618.20 : x
  2. Step 2: Convert to fraction form
    50,278.68/69,385.16 = 27,618.20/x
  3. Step 3: Cross multiply
    50,278.68x = 69,385.16 × 27,618.20
  4. Step 4: Simplify right side
    50,278.68x = 1,916,293,225.91
  5. Step 5: Solve for x
    x = 1,916,293,225.91/50,278.68
  6. Step 6: Final answer
    x = 38,113.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.