Home / 54,655.10-75,423.04-29,791.48

Finding the Fourth Proportional to 54,655.10, 75,423.04 and 29,791.48

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Solution

The fourth proportional to 54,655.10, 75,423.04 and 29,791.48 is: 41,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,655.10 : 75,423.04 = 29,791.48 : x
  2. Step 2: Convert to fraction form
    54,655.10/75,423.04 = 29,791.48/x
  3. Step 3: Cross multiply
    54,655.10x = 75,423.04 × 29,791.48
  4. Step 4: Simplify right side
    54,655.10x = 2,246,963,987.70
  5. Step 5: Solve for x
    x = 2,246,963,987.70/54,655.10
  6. Step 6: Final answer
    x = 41,111.70

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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.