Home / 57,582.40-79,447.20-39,682.24

Finding the Fourth Proportional to 57,582.40, 79,447.20 and 39,682.24

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Solution

The fourth proportional to 57,582.40, 79,447.20 and 39,682.24 is: 54,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,582.40 : 79,447.20 = 39,682.24 : x
  2. Step 2: Convert to fraction form
    57,582.40/79,447.20 = 39,682.24/x
  3. Step 3: Cross multiply
    57,582.40x = 79,447.20 × 39,682.24
  4. Step 4: Simplify right side
    57,582.40x = 3,152,642,857.73
  5. Step 5: Solve for x
    x = 3,152,642,857.73/57,582.40
  6. Step 6: Final answer
    x = 54,750.11

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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.