Home / 53,883.56-74,393.36-39,711.72

Finding the Fourth Proportional to 53,883.56, 74,393.36 and 39,711.72

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Solution

The fourth proportional to 53,883.56, 74,393.36 and 39,711.72 is: 54,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.56 : 74,393.36 = 39,711.72 : x
  2. Step 2: Convert to fraction form
    53,883.56/74,393.36 = 39,711.72/x
  3. Step 3: Cross multiply
    53,883.56x = 74,393.36 × 39,711.72
  4. Step 4: Simplify right side
    53,883.56x = 2,954,288,282.18
  5. Step 5: Solve for x
    x = 2,954,288,282.18/53,883.56
  6. Step 6: Final answer
    x = 54,827.27

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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.