Home / 48,386.60-72,561.18-18,800.54

Finding the Fourth Proportional to 48,386.60, 72,561.18 and 18,800.54

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Solution

The fourth proportional to 48,386.60, 72,561.18 and 18,800.54 is: 28,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.60 : 72,561.18 = 18,800.54 : x
  2. Step 2: Convert to fraction form
    48,386.60/72,561.18 = 18,800.54/x
  3. Step 3: Cross multiply
    48,386.60x = 72,561.18 × 18,800.54
  4. Step 4: Simplify right side
    48,386.60x = 1,364,189,367.04
  5. Step 5: Solve for x
    x = 1,364,189,367.04/48,386.60
  6. Step 6: Final answer
    x = 28,193.54

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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.