Home / 40,418.19-55,769.72-22,512.74

Finding the Fourth Proportional to 40,418.19, 55,769.72 and 22,512.74

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Solution

The fourth proportional to 40,418.19, 55,769.72 and 22,512.74 is: 31,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.19 : 55,769.72 = 22,512.74 : x
  2. Step 2: Convert to fraction form
    40,418.19/55,769.72 = 22,512.74/x
  3. Step 3: Cross multiply
    40,418.19x = 55,769.72 × 22,512.74
  4. Step 4: Simplify right side
    40,418.19x = 1,255,528,814.82
  5. Step 5: Solve for x
    x = 1,255,528,814.82/40,418.19
  6. Step 6: Final answer
    x = 31,063.46

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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.