Home / 40,419.19-55,771.09-22,513.74

Finding the Fourth Proportional to 40,419.19, 55,771.09 and 22,513.74

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Solution

The fourth proportional to 40,419.19, 55,771.09 and 22,513.74 is: 31,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.19 : 55,771.09 = 22,513.74 : x
  2. Step 2: Convert to fraction form
    40,419.19/55,771.09 = 22,513.74/x
  3. Step 3: Cross multiply
    40,419.19x = 55,771.09 × 22,513.74
  4. Step 4: Simplify right side
    40,419.19x = 1,255,615,819.78
  5. Step 5: Solve for x
    x = 1,255,615,819.78/40,419.19
  6. Step 6: Final answer
    x = 31,064.84

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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.