Home / 40,281.92-55,587.17-22,378.02

Finding the Fourth Proportional to 40,281.92, 55,587.17 and 22,378.02

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Solution

The fourth proportional to 40,281.92, 55,587.17 and 22,378.02 is: 30,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.92 : 55,587.17 = 22,378.02 : x
  2. Step 2: Convert to fraction form
    40,281.92/55,587.17 = 22,378.02/x
  3. Step 3: Cross multiply
    40,281.92x = 55,587.17 × 22,378.02
  4. Step 4: Simplify right side
    40,281.92x = 1,243,930,899.24
  5. Step 5: Solve for x
    x = 1,243,930,899.24/40,281.92
  6. Step 6: Final answer
    x = 30,880.62

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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.