Home / 53,932.40-74,561.24-40,480.29

Finding the Fourth Proportional to 53,932.40, 74,561.24 and 40,480.29

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Solution

The fourth proportional to 53,932.40, 74,561.24 and 40,480.29 is: 55,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,932.40 : 74,561.24 = 40,480.29 : x
  2. Step 2: Convert to fraction form
    53,932.40/74,561.24 = 40,480.29/x
  3. Step 3: Cross multiply
    53,932.40x = 74,561.24 × 40,480.29
  4. Step 4: Simplify right side
    53,932.40x = 3,018,260,719.16
  5. Step 5: Solve for x
    x = 3,018,260,719.16/53,932.40
  6. Step 6: Final answer
    x = 55,963.78

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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.