Home / 38,913.60-53,701.32-22,777.20

Finding the Fourth Proportional to 38,913.60, 53,701.32 and 22,777.20

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Solution

The fourth proportional to 38,913.60, 53,701.32 and 22,777.20 is: 31,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.60 : 53,701.32 = 22,777.20 : x
  2. Step 2: Convert to fraction form
    38,913.60/53,701.32 = 22,777.20/x
  3. Step 3: Cross multiply
    38,913.60x = 53,701.32 × 22,777.20
  4. Step 4: Simplify right side
    38,913.60x = 1,223,165,705.90
  5. Step 5: Solve for x
    x = 1,223,165,705.90/38,913.60
  6. Step 6: Final answer
    x = 31,432.86

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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.