Home / 48,619.20-72,928.80-40,417.95

Finding the Fourth Proportional to 48,619.20, 72,928.80 and 40,417.95

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Solution

The fourth proportional to 48,619.20, 72,928.80 and 40,417.95 is: 60,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.20 : 72,928.80 = 40,417.95 : x
  2. Step 2: Convert to fraction form
    48,619.20/72,928.80 = 40,417.95/x
  3. Step 3: Cross multiply
    48,619.20x = 72,928.80 × 40,417.95
  4. Step 4: Simplify right side
    48,619.20x = 2,947,632,591.96
  5. Step 5: Solve for x
    x = 2,947,632,591.96/48,619.20
  6. Step 6: Final answer
    x = 60,626.93

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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.