Home / 38,912.52-53,699.37-22,776.90

Finding the Fourth Proportional to 38,912.52, 53,699.37 and 22,776.90

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Solution

The fourth proportional to 38,912.52, 53,699.37 and 22,776.90 is: 31,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912.52 : 53,699.37 = 22,776.90 : x
  2. Step 2: Convert to fraction form
    38,912.52/53,699.37 = 22,776.90/x
  3. Step 3: Cross multiply
    38,912.52x = 53,699.37 × 22,776.90
  4. Step 4: Simplify right side
    38,912.52x = 1,223,105,180.55
  5. Step 5: Solve for x
    x = 1,223,105,180.55/38,912.52
  6. Step 6: Final answer
    x = 31,432.18

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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.