Home / 48,316.88-72,397.56-40,903.76

Finding the Fourth Proportional to 48,316.88, 72,397.56 and 40,903.76

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Solution

The fourth proportional to 48,316.88, 72,397.56 and 40,903.76 is: 61,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,316.88 : 72,397.56 = 40,903.76 : x
  2. Step 2: Convert to fraction form
    48,316.88/72,397.56 = 40,903.76/x
  3. Step 3: Cross multiply
    48,316.88x = 72,397.56 × 40,903.76
  4. Step 4: Simplify right side
    48,316.88x = 2,961,332,418.83
  5. Step 5: Solve for x
    x = 2,961,332,418.83/48,316.88
  6. Step 6: Final answer
    x = 61,289.81

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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.