Home / 53,974.85-74,494.31-31,332.65

Finding the Fourth Proportional to 53,974.85, 74,494.31 and 31,332.65

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Solution

The fourth proportional to 53,974.85, 74,494.31 and 31,332.65 is: 43,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,974.85 : 74,494.31 = 31,332.65 : x
  2. Step 2: Convert to fraction form
    53,974.85/74,494.31 = 31,332.65/x
  3. Step 3: Cross multiply
    53,974.85x = 74,494.31 × 31,332.65
  4. Step 4: Simplify right side
    53,974.85x = 2,334,103,613.09
  5. Step 5: Solve for x
    x = 2,334,103,613.09/53,974.85
  6. Step 6: Final answer
    x = 43,244.29

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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.