Home / 52,683.20-72,729.25-40,719.50

Finding the Fourth Proportional to 52,683.20, 72,729.25 and 40,719.50

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Solution

The fourth proportional to 52,683.20, 72,729.25 and 40,719.50 is: 56,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,683.20 : 72,729.25 = 40,719.50 : x
  2. Step 2: Convert to fraction form
    52,683.20/72,729.25 = 40,719.50/x
  3. Step 3: Cross multiply
    52,683.20x = 72,729.25 × 40,719.50
  4. Step 4: Simplify right side
    52,683.20x = 2,961,498,229.93
  5. Step 5: Solve for x
    x = 2,961,498,229.93/52,683.20
  6. Step 6: Final answer
    x = 56,213.34

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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.