Home / 54,385.20-75,128.04-41,969.52

Finding the Fourth Proportional to 54,385.20, 75,128.04 and 41,969.52

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Solution

The fourth proportional to 54,385.20, 75,128.04 and 41,969.52 is: 57,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.20 : 75,128.04 = 41,969.52 : x
  2. Step 2: Convert to fraction form
    54,385.20/75,128.04 = 41,969.52/x
  3. Step 3: Cross multiply
    54,385.20x = 75,128.04 × 41,969.52
  4. Step 4: Simplify right side
    54,385.20x = 3,153,087,777.34
  5. Step 5: Solve for x
    x = 3,153,087,777.34/54,385.20
  6. Step 6: Final answer
    x = 57,976.95

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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.