Home / 41,478.09-57,221.56-28,044.42

Finding the Fourth Proportional to 41,478.09, 57,221.56 and 28,044.42

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Solution

The fourth proportional to 41,478.09, 57,221.56 and 28,044.42 is: 38,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,478.09 : 57,221.56 = 28,044.42 : x
  2. Step 2: Convert to fraction form
    41,478.09/57,221.56 = 28,044.42/x
  3. Step 3: Cross multiply
    41,478.09x = 57,221.56 × 28,044.42
  4. Step 4: Simplify right side
    41,478.09x = 1,604,745,461.70
  5. Step 5: Solve for x
    x = 1,604,745,461.70/41,478.09
  6. Step 6: Final answer
    x = 38,688.99

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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.