Home / 41,430.02-57,128.18-27,977.92

Finding the Fourth Proportional to 41,430.02, 57,128.18 and 27,977.92

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Solution

The fourth proportional to 41,430.02, 57,128.18 and 27,977.92 is: 38,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,430.02 : 57,128.18 = 27,977.92 : x
  2. Step 2: Convert to fraction form
    41,430.02/57,128.18 = 27,977.92/x
  3. Step 3: Cross multiply
    41,430.02x = 57,128.18 × 27,977.92
  4. Step 4: Simplify right side
    41,430.02x = 1,598,327,789.86
  5. Step 5: Solve for x
    x = 1,598,327,789.86/41,430.02
  6. Step 6: Final answer
    x = 38,578.97

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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.