Home / 49,475.40-68,278.80-28,261.56

Finding the Fourth Proportional to 49,475.40, 68,278.80 and 28,261.56

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Solution

The fourth proportional to 49,475.40, 68,278.80 and 28,261.56 is: 39,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,475.40 : 68,278.80 = 28,261.56 : x
  2. Step 2: Convert to fraction form
    49,475.40/68,278.80 = 28,261.56/x
  3. Step 3: Cross multiply
    49,475.40x = 68,278.80 × 28,261.56
  4. Step 4: Simplify right side
    49,475.40x = 1,929,665,402.93
  5. Step 5: Solve for x
    x = 1,929,665,402.93/49,475.40
  6. Step 6: Final answer
    x = 39,002.52

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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.