Home / 49,042.19-73,531.63-20,980.55

Finding the Fourth Proportional to 49,042.19, 73,531.63 and 20,980.55

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Solution

The fourth proportional to 49,042.19, 73,531.63 and 20,980.55 is: 31,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,042.19 : 73,531.63 = 20,980.55 : x
  2. Step 2: Convert to fraction form
    49,042.19/73,531.63 = 20,980.55/x
  3. Step 3: Cross multiply
    49,042.19x = 73,531.63 × 20,980.55
  4. Step 4: Simplify right side
    49,042.19x = 1,542,733,934.89
  5. Step 5: Solve for x
    x = 1,542,733,934.89/49,042.19
  6. Step 6: Final answer
    x = 31,457.28

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1.5x scale

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.