Home / 40,521.56-55,919.28-22,620.98

Finding the Fourth Proportional to 40,521.56, 55,919.28 and 22,620.98

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Solution

The fourth proportional to 40,521.56, 55,919.28 and 22,620.98 is: 31,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,521.56 : 55,919.28 = 22,620.98 : x
  2. Step 2: Convert to fraction form
    40,521.56/55,919.28 = 22,620.98/x
  3. Step 3: Cross multiply
    40,521.56x = 55,919.28 × 22,620.98
  4. Step 4: Simplify right side
    40,521.56x = 1,264,948,914.49
  5. Step 5: Solve for x
    x = 1,264,948,914.49/40,521.56
  6. Step 6: Final answer
    x = 31,216.69

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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.