Home / 48,391.62-72,559.17-18,774.84

Finding the Fourth Proportional to 48,391.62, 72,559.17 and 18,774.84

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Solution

The fourth proportional to 48,391.62, 72,559.17 and 18,774.84 is: 28,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.62 : 72,559.17 = 18,774.84 : x
  2. Step 2: Convert to fraction form
    48,391.62/72,559.17 = 18,774.84/x
  3. Step 3: Cross multiply
    48,391.62x = 72,559.17 × 18,774.84
  4. Step 4: Simplify right side
    48,391.62x = 1,362,286,807.28
  5. Step 5: Solve for x
    x = 1,362,286,807.28/48,391.62
  6. Step 6: Final answer
    x = 28,151.30

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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.