Home / 53,711.43-74,118.24-29,838.12

Finding the Fourth Proportional to 53,711.43, 74,118.24 and 29,838.12

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Solution

The fourth proportional to 53,711.43, 74,118.24 and 29,838.12 is: 41,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.43 : 74,118.24 = 29,838.12 : x
  2. Step 2: Convert to fraction form
    53,711.43/74,118.24 = 29,838.12/x
  3. Step 3: Cross multiply
    53,711.43x = 74,118.24 × 29,838.12
  4. Step 4: Simplify right side
    53,711.43x = 2,211,548,939.31
  5. Step 5: Solve for x
    x = 2,211,548,939.31/53,711.43
  6. Step 6: Final answer
    x = 41,174.64

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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.