Home / 38,487.92-53,121.26-22,580.72

Finding the Fourth Proportional to 38,487.92, 53,121.26 and 22,580.72

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Solution

The fourth proportional to 38,487.92, 53,121.26 and 22,580.72 is: 31,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487.92 : 53,121.26 = 22,580.72 : x
  2. Step 2: Convert to fraction form
    38,487.92/53,121.26 = 22,580.72/x
  3. Step 3: Cross multiply
    38,487.92x = 53,121.26 × 22,580.72
  4. Step 4: Simplify right side
    38,487.92x = 1,199,516,298.11
  5. Step 5: Solve for x
    x = 1,199,516,298.11/38,487.92
  6. Step 6: Final answer
    x = 31,166.05

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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.