Home / 40,422.04-55,780.68-22,518.97

Finding the Fourth Proportional to 40,422.04, 55,780.68 and 22,518.97

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Solution

The fourth proportional to 40,422.04, 55,780.68 and 22,518.97 is: 31,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.04 : 55,780.68 = 22,518.97 : x
  2. Step 2: Convert to fraction form
    40,422.04/55,780.68 = 22,518.97/x
  3. Step 3: Cross multiply
    40,422.04x = 55,780.68 × 22,518.97
  4. Step 4: Simplify right side
    40,422.04x = 1,256,123,459.50
  5. Step 5: Solve for x
    x = 1,256,123,459.50/40,422.04
  6. Step 6: Final answer
    x = 31,075.21

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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.