Home / 53,827.88-74,293.38-31,479.08

Finding the Fourth Proportional to 53,827.88, 74,293.38 and 31,479.08

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Solution

The fourth proportional to 53,827.88, 74,293.38 and 31,479.08 is: 43,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,827.88 : 74,293.38 = 31,479.08 : x
  2. Step 2: Convert to fraction form
    53,827.88/74,293.38 = 31,479.08/x
  3. Step 3: Cross multiply
    53,827.88x = 74,293.38 × 31,479.08
  4. Step 4: Simplify right side
    53,827.88x = 2,338,687,252.49
  5. Step 5: Solve for x
    x = 2,338,687,252.49/53,827.88
  6. Step 6: Final answer
    x = 43,447.51

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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.