Home / 48,330.40-72,668.40-40,727.20

Finding the Fourth Proportional to 48,330.40, 72,668.40 and 40,727.20

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Solution

The fourth proportional to 48,330.40, 72,668.40 and 40,727.20 is: 61,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,330.40 : 72,668.40 = 40,727.20 : x
  2. Step 2: Convert to fraction form
    48,330.40/72,668.40 = 40,727.20/x
  3. Step 3: Cross multiply
    48,330.40x = 72,668.40 × 40,727.20
  4. Step 4: Simplify right side
    48,330.40x = 2,959,580,460.48
  5. Step 5: Solve for x
    x = 2,959,580,460.48/48,330.40
  6. Step 6: Final answer
    x = 61,236.42

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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.