Home / 47,723.60-65,829.12-30,722.24

Finding the Fourth Proportional to 47,723.60, 65,829.12 and 30,722.24

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Solution

The fourth proportional to 47,723.60, 65,829.12 and 30,722.24 is: 42,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.60 : 65,829.12 = 30,722.24 : x
  2. Step 2: Convert to fraction form
    47,723.60/65,829.12 = 30,722.24/x
  3. Step 3: Cross multiply
    47,723.60x = 65,829.12 × 30,722.24
  4. Step 4: Simplify right side
    47,723.60x = 2,022,418,023.63
  5. Step 5: Solve for x
    x = 2,022,418,023.63/47,723.60
  6. Step 6: Final answer
    x = 42,377.73

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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.