Home / 75,027.52-112,499.76-30,685.42

Finding the Fourth Proportional to 75,027.52, 112,499.76 and 30,685.42

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Solution

The fourth proportional to 75,027.52, 112,499.76 and 30,685.42 is: 46,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,027.52 : 112,499.76 = 30,685.42 : x
  2. Step 2: Convert to fraction form
    75,027.52/112,499.76 = 30,685.42/x
  3. Step 3: Cross multiply
    75,027.52x = 112,499.76 × 30,685.42
  4. Step 4: Simplify right side
    75,027.52x = 3,452,102,385.50
  5. Step 5: Solve for x
    x = 3,452,102,385.50/75,027.52
  6. Step 6: Final answer
    x = 46,011.15

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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.