Home / 60,490.11-90,753.59-30,928.70

Finding the Fourth Proportional to 60,490.11, 90,753.59 and 30,928.70

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Solution

The fourth proportional to 60,490.11, 90,753.59 and 30,928.70 is: 46,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490.11 : 90,753.59 = 30,928.70 : x
  2. Step 2: Convert to fraction form
    60,490.11/90,753.59 = 30,928.70/x
  3. Step 3: Cross multiply
    60,490.11x = 90,753.59 × 30,928.70
  4. Step 4: Simplify right side
    60,490.11x = 2,806,890,559.03
  5. Step 5: Solve for x
    x = 2,806,890,559.03/60,490.11
  6. Step 6: Final answer
    x = 46,402.47

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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.