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Finding the Fourth Proportional to 57,928.12, 79,944 and 32,433.04

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Solution

The fourth proportional to 57,928.12, 79,944 and 32,433.04 is: 44,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.12 : 79,944 = 32,433.04 : x
  2. Step 2: Convert to fraction form
    57,928.12/79,944 = 32,433.04/x
  3. Step 3: Cross multiply
    57,928.12x = 79,944 × 32,433.04
  4. Step 4: Simplify right side
    57,928.12x = 2,592,826,949.76
  5. Step 5: Solve for x
    x = 2,592,826,949.76/57,928.12
  6. Step 6: Final answer
    x = 44,759.38

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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.