Home / 53,934.18-74,423.01-31,268.44

Finding the Fourth Proportional to 53,934.18, 74,423.01 and 31,268.44

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Solution

The fourth proportional to 53,934.18, 74,423.01 and 31,268.44 is: 43,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.18 : 74,423.01 = 31,268.44 : x
  2. Step 2: Convert to fraction form
    53,934.18/74,423.01 = 31,268.44/x
  3. Step 3: Cross multiply
    53,934.18x = 74,423.01 × 31,268.44
  4. Step 4: Simplify right side
    53,934.18x = 2,327,091,422.80
  5. Step 5: Solve for x
    x = 2,327,091,422.80/53,934.18
  6. Step 6: Final answer
    x = 43,146.88

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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.