Home / 48,278.60-72,417.90-17,109.80

Finding the Fourth Proportional to 48,278.60, 72,417.90 and 17,109.80

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Solution

The fourth proportional to 48,278.60, 72,417.90 and 17,109.80 is: 25,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.60 : 72,417.90 = 17,109.80 : x
  2. Step 2: Convert to fraction form
    48,278.60/72,417.90 = 17,109.80/x
  3. Step 3: Cross multiply
    48,278.60x = 72,417.90 × 17,109.80
  4. Step 4: Simplify right side
    48,278.60x = 1,239,055,785.42
  5. Step 5: Solve for x
    x = 1,239,055,785.42/48,278.60
  6. Step 6: Final answer
    x = 25,664.70

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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.