Home / 57,712.80-79,643.36-32,217.68

Finding the Fourth Proportional to 57,712.80, 79,643.36 and 32,217.68

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Solution

The fourth proportional to 57,712.80, 79,643.36 and 32,217.68 is: 44,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.80 : 79,643.36 = 32,217.68 : x
  2. Step 2: Convert to fraction form
    57,712.80/79,643.36 = 32,217.68/x
  3. Step 3: Cross multiply
    57,712.80x = 79,643.36 × 32,217.68
  4. Step 4: Simplify right side
    57,712.80x = 2,565,924,286.60
  5. Step 5: Solve for x
    x = 2,565,924,286.60/57,712.80
  6. Step 6: Final answer
    x = 44,460.23

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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.