Home / 57,320.64-79,109.76-32,170.12

Finding the Fourth Proportional to 57,320.64, 79,109.76 and 32,170.12

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Solution

The fourth proportional to 57,320.64, 79,109.76 and 32,170.12 is: 44,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.64 : 79,109.76 = 32,170.12 : x
  2. Step 2: Convert to fraction form
    57,320.64/79,109.76 = 32,170.12/x
  3. Step 3: Cross multiply
    57,320.64x = 79,109.76 × 32,170.12
  4. Step 4: Simplify right side
    57,320.64x = 2,544,970,472.37
  5. Step 5: Solve for x
    x = 2,544,970,472.37/57,320.64
  6. Step 6: Final answer
    x = 44,398.85

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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.