Home / 40,309.65-55,627.26-22,406.32

Finding the Fourth Proportional to 40,309.65, 55,627.26 and 22,406.32

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Solution

The fourth proportional to 40,309.65, 55,627.26 and 22,406.32 is: 30,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.65 : 55,627.26 = 22,406.32 : x
  2. Step 2: Convert to fraction form
    40,309.65/55,627.26 = 22,406.32/x
  3. Step 3: Cross multiply
    40,309.65x = 55,627.26 × 22,406.32
  4. Step 4: Simplify right side
    40,309.65x = 1,246,402,173.79
  5. Step 5: Solve for x
    x = 1,246,402,173.79/40,309.65
  6. Step 6: Final answer
    x = 30,920.69

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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.