Home / 38,423.36-52,963.64-28,849.43

Finding the Fourth Proportional to 38,423.36, 52,963.64 and 28,849.43

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Solution

The fourth proportional to 38,423.36, 52,963.64 and 28,849.43 is: 39,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.36 : 52,963.64 = 28,849.43 : x
  2. Step 2: Convert to fraction form
    38,423.36/52,963.64 = 28,849.43/x
  3. Step 3: Cross multiply
    38,423.36x = 52,963.64 × 28,849.43
  4. Step 4: Simplify right side
    38,423.36x = 1,527,970,921.07
  5. Step 5: Solve for x
    x = 1,527,970,921.07/38,423.36
  6. Step 6: Final answer
    x = 39,766.72

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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.