Home / 53,718.11-74,132.31-29,518.88

Finding the Fourth Proportional to 53,718.11, 74,132.31 and 29,518.88

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Solution

The fourth proportional to 53,718.11, 74,132.31 and 29,518.88 is: 40,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,718.11 : 74,132.31 = 29,518.88 : x
  2. Step 2: Convert to fraction form
    53,718.11/74,132.31 = 29,518.88/x
  3. Step 3: Cross multiply
    53,718.11x = 74,132.31 × 29,518.88
  4. Step 4: Simplify right side
    53,718.11x = 2,188,302,763.01
  5. Step 5: Solve for x
    x = 2,188,302,763.01/53,718.11
  6. Step 6: Final answer
    x = 40,736.78

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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.