Home / 38,680.92-53,376.88-22,763.20

Finding the Fourth Proportional to 38,680.92, 53,376.88 and 22,763.20

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Solution

The fourth proportional to 38,680.92, 53,376.88 and 22,763.20 is: 31,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,680.92 : 53,376.88 = 22,763.20 : x
  2. Step 2: Convert to fraction form
    38,680.92/53,376.88 = 22,763.20/x
  3. Step 3: Cross multiply
    38,680.92x = 53,376.88 × 22,763.20
  4. Step 4: Simplify right side
    38,680.92x = 1,215,028,594.82
  5. Step 5: Solve for x
    x = 1,215,028,594.82/38,680.92
  6. Step 6: Final answer
    x = 31,411.57

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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.