Home / 40,076.16-55,306.08-22,171.52

Finding the Fourth Proportional to 40,076.16, 55,306.08 and 22,171.52

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Solution

The fourth proportional to 40,076.16, 55,306.08 and 22,171.52 is: 30,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.16 : 55,306.08 = 22,171.52 : x
  2. Step 2: Convert to fraction form
    40,076.16/55,306.08 = 22,171.52/x
  3. Step 3: Cross multiply
    40,076.16x = 55,306.08 × 22,171.52
  4. Step 4: Simplify right side
    40,076.16x = 1,226,219,858.84
  5. Step 5: Solve for x
    x = 1,226,219,858.84/40,076.16
  6. Step 6: Final answer
    x = 30,597.24

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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.