Home / 57,113.29-78,780.76-41,221.09

Finding the Fourth Proportional to 57,113.29, 78,780.76 and 41,221.09

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Solution

The fourth proportional to 57,113.29, 78,780.76 and 41,221.09 is: 56,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.29 : 78,780.76 = 41,221.09 : x
  2. Step 2: Convert to fraction form
    57,113.29/78,780.76 = 41,221.09/x
  3. Step 3: Cross multiply
    57,113.29x = 78,780.76 × 41,221.09
  4. Step 4: Simplify right side
    57,113.29x = 3,247,428,798.23
  5. Step 5: Solve for x
    x = 3,247,428,798.23/57,113.29
  6. Step 6: Final answer
    x = 56,859.42

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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.