Home / 53,948.64-74,449.20-31,291.92

Finding the Fourth Proportional to 53,948.64, 74,449.20 and 31,291.92

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Solution

The fourth proportional to 53,948.64, 74,449.20 and 31,291.92 is: 43,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.64 : 74,449.20 = 31,291.92 : x
  2. Step 2: Convert to fraction form
    53,948.64/74,449.20 = 31,291.92/x
  3. Step 3: Cross multiply
    53,948.64x = 74,449.20 × 31,291.92
  4. Step 4: Simplify right side
    53,948.64x = 2,329,658,410.46
  5. Step 5: Solve for x
    x = 2,329,658,410.46/53,948.64
  6. Step 6: Final answer
    x = 43,182.89

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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.