Home / 40,416.32-55,771.68-22,509.92

Finding the Fourth Proportional to 40,416.32, 55,771.68 and 22,509.92

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Solution

The fourth proportional to 40,416.32, 55,771.68 and 22,509.92 is: 31,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416.32 : 55,771.68 = 22,509.92 : x
  2. Step 2: Convert to fraction form
    40,416.32/55,771.68 = 22,509.92/x
  3. Step 3: Cross multiply
    40,416.32x = 55,771.68 × 22,509.92
  4. Step 4: Simplify right side
    40,416.32x = 1,255,416,055.07
  5. Step 5: Solve for x
    x = 1,255,416,055.07/40,416.32
  6. Step 6: Final answer
    x = 31,062.11

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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.