Home / 47,524.45-65,579.28-28,400.42

Finding the Fourth Proportional to 47,524.45, 65,579.28 and 28,400.42

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Solution

The fourth proportional to 47,524.45, 65,579.28 and 28,400.42 is: 39,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,524.45 : 65,579.28 = 28,400.42 : x
  2. Step 2: Convert to fraction form
    47,524.45/65,579.28 = 28,400.42/x
  3. Step 3: Cross multiply
    47,524.45x = 65,579.28 × 28,400.42
  4. Step 4: Simplify right side
    47,524.45x = 1,862,479,095.30
  5. Step 5: Solve for x
    x = 1,862,479,095.30/47,524.45
  6. Step 6: Final answer
    x = 39,189.91

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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.