Home / 30,512.15-45,775.12-16,471.87

Finding the Fourth Proportional to 30,512.15, 45,775.12 and 16,471.87

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Solution

The fourth proportional to 30,512.15, 45,775.12 and 16,471.87 is: 24,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512.15 : 45,775.12 = 16,471.87 : x
  2. Step 2: Convert to fraction form
    30,512.15/45,775.12 = 16,471.87/x
  3. Step 3: Cross multiply
    30,512.15x = 45,775.12 × 16,471.87
  4. Step 4: Simplify right side
    30,512.15x = 754,001,825.87
  5. Step 5: Solve for x
    x = 754,001,825.87/30,512.15
  6. Step 6: Final answer
    x = 24,711.53

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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.