Home / 53,251.78-73,487.71-29,378.45

Finding the Fourth Proportional to 53,251.78, 73,487.71 and 29,378.45

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Solution

The fourth proportional to 53,251.78, 73,487.71 and 29,378.45 is: 40,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.78 : 73,487.71 = 29,378.45 : x
  2. Step 2: Convert to fraction form
    53,251.78/73,487.71 = 29,378.45/x
  3. Step 3: Cross multiply
    53,251.78x = 73,487.71 × 29,378.45
  4. Step 4: Simplify right side
    53,251.78x = 2,158,955,013.85
  5. Step 5: Solve for x
    x = 2,158,955,013.85/53,251.78
  6. Step 6: Final answer
    x = 40,542.40

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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.