Home / 40,215.02-55,488.45-22,306.18

Finding the Fourth Proportional to 40,215.02, 55,488.45 and 22,306.18

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Solution

The fourth proportional to 40,215.02, 55,488.45 and 22,306.18 is: 30,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.02 : 55,488.45 = 22,306.18 : x
  2. Step 2: Convert to fraction form
    40,215.02/55,488.45 = 22,306.18/x
  3. Step 3: Cross multiply
    40,215.02x = 55,488.45 × 22,306.18
  4. Step 4: Simplify right side
    40,215.02x = 1,237,735,353.62
  5. Step 5: Solve for x
    x = 1,237,735,353.62/40,215.02
  6. Step 6: Final answer
    x = 30,777.94

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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.