Home / 29,438.44-40,643.57-22,711.59

Finding the Fourth Proportional to 29,438.44, 40,643.57 and 22,711.59

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Solution

The fourth proportional to 29,438.44, 40,643.57 and 22,711.59 is: 31,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,438.44 : 40,643.57 = 22,711.59 : x
  2. Step 2: Convert to fraction form
    29,438.44/40,643.57 = 22,711.59/x
  3. Step 3: Cross multiply
    29,438.44x = 40,643.57 × 22,711.59
  4. Step 4: Simplify right side
    29,438.44x = 923,080,154.76
  5. Step 5: Solve for x
    x = 923,080,154.76/29,438.44
  6. Step 6: Final answer
    x = 31,356.29

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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.