Home / 54,269.90-74,878.93-31,306.75

Finding the Fourth Proportional to 54,269.90, 74,878.93 and 31,306.75

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Solution

The fourth proportional to 54,269.90, 74,878.93 and 31,306.75 is: 43,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,269.90 : 74,878.93 = 31,306.75 : x
  2. Step 2: Convert to fraction form
    54,269.90/74,878.93 = 31,306.75/x
  3. Step 3: Cross multiply
    54,269.90x = 74,878.93 × 31,306.75
  4. Step 4: Simplify right side
    54,269.90x = 2,344,216,214.91
  5. Step 5: Solve for x
    x = 2,344,216,214.91/54,269.90
  6. Step 6: Final answer
    x = 43,195.51

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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.