Home / 48,278.90-72,425.55-17,111.70

Finding the Fourth Proportional to 48,278.90, 72,425.55 and 17,111.70

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Solution

The fourth proportional to 48,278.90, 72,425.55 and 17,111.70 is: 25,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.90 : 72,425.55 = 17,111.70 : x
  2. Step 2: Convert to fraction form
    48,278.90/72,425.55 = 17,111.70/x
  3. Step 3: Cross multiply
    48,278.90x = 72,425.55 × 17,111.70
  4. Step 4: Simplify right side
    48,278.90x = 1,239,324,283.94
  5. Step 5: Solve for x
    x = 1,239,324,283.94/48,278.90
  6. Step 6: Final answer
    x = 25,670.10

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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.