Home / 49,570.40-74,139.60-44,343.20

Finding the Fourth Proportional to 49,570.40, 74,139.60 and 44,343.20

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Solution

The fourth proportional to 49,570.40, 74,139.60 and 44,343.20 is: 66,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,570.40 : 74,139.60 = 44,343.20 : x
  2. Step 2: Convert to fraction form
    49,570.40/74,139.60 = 44,343.20/x
  3. Step 3: Cross multiply
    49,570.40x = 74,139.60 × 44,343.20
  4. Step 4: Simplify right side
    49,570.40x = 3,287,587,110.72
  5. Step 5: Solve for x
    x = 3,287,587,110.72/49,570.40
  6. Step 6: Final answer
    x = 66,321.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.