Home / 40,228.55-60,305.45-21,521.49

Finding the Fourth Proportional to 40,228.55, 60,305.45 and 21,521.49

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Solution

The fourth proportional to 40,228.55, 60,305.45 and 21,521.49 is: 32,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.55 : 60,305.45 = 21,521.49 : x
  2. Step 2: Convert to fraction form
    40,228.55/60,305.45 = 21,521.49/x
  3. Step 3: Cross multiply
    40,228.55x = 60,305.45 × 21,521.49
  4. Step 4: Simplify right side
    40,228.55x = 1,297,863,139.12
  5. Step 5: Solve for x
    x = 1,297,863,139.12/40,228.55
  6. Step 6: Final answer
    x = 32,262.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.