Home / 57,491.07-79,340.29-31,999.07

Finding the Fourth Proportional to 57,491.07, 79,340.29 and 31,999.07

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Solution

The fourth proportional to 57,491.07, 79,340.29 and 31,999.07 is: 44,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,491.07 : 79,340.29 = 31,999.07 : x
  2. Step 2: Convert to fraction form
    57,491.07/79,340.29 = 31,999.07/x
  3. Step 3: Cross multiply
    57,491.07x = 79,340.29 × 31,999.07
  4. Step 4: Simplify right side
    57,491.07x = 2,538,815,016.83
  5. Step 5: Solve for x
    x = 2,538,815,016.83/57,491.07
  6. Step 6: Final answer
    x = 44,160.16

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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.