Home / 41,605.76-57,382.90-31,430.72

Finding the Fourth Proportional to 41,605.76, 57,382.90 and 31,430.72

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Solution

The fourth proportional to 41,605.76, 57,382.90 and 31,430.72 is: 43,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,605.76 : 57,382.90 = 31,430.72 : x
  2. Step 2: Convert to fraction form
    41,605.76/57,382.90 = 31,430.72/x
  3. Step 3: Cross multiply
    41,605.76x = 57,382.90 × 31,430.72
  4. Step 4: Simplify right side
    41,605.76x = 1,803,585,862.69
  5. Step 5: Solve for x
    x = 1,803,585,862.69/41,605.76
  6. Step 6: Final answer
    x = 43,349.43

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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.