Home / 53,629.60-74,013.28-29,758.72

Finding the Fourth Proportional to 53,629.60, 74,013.28 and 29,758.72

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Solution

The fourth proportional to 53,629.60, 74,013.28 and 29,758.72 is: 41,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.60 : 74,013.28 = 29,758.72 : x
  2. Step 2: Convert to fraction form
    53,629.60/74,013.28 = 29,758.72/x
  3. Step 3: Cross multiply
    53,629.60x = 74,013.28 × 29,758.72
  4. Step 4: Simplify right side
    53,629.60x = 2,202,540,475.80
  5. Step 5: Solve for x
    x = 2,202,540,475.80/53,629.60
  6. Step 6: Final answer
    x = 41,069.49

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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.