Home / 40,145.34-60,326.94-21,438.38

Finding the Fourth Proportional to 40,145.34, 60,326.94 and 21,438.38

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Solution

The fourth proportional to 40,145.34, 60,326.94 and 21,438.38 is: 32,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.34 : 60,326.94 = 21,438.38 : x
  2. Step 2: Convert to fraction form
    40,145.34/60,326.94 = 21,438.38/x
  3. Step 3: Cross multiply
    40,145.34x = 60,326.94 × 21,438.38
  4. Step 4: Simplify right side
    40,145.34x = 1,293,311,863.96
  5. Step 5: Solve for x
    x = 1,293,311,863.96/40,145.34
  6. Step 6: Final answer
    x = 32,215.74

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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.