Home / 45,872.38-68,808.21-12,592.32

Finding the Fourth Proportional to 45,872.38, 68,808.21 and 12,592.32

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Solution

The fourth proportional to 45,872.38, 68,808.21 and 12,592.32 is: 18,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,872.38 : 68,808.21 = 12,592.32 : x
  2. Step 2: Convert to fraction form
    45,872.38/68,808.21 = 12,592.32/x
  3. Step 3: Cross multiply
    45,872.38x = 68,808.21 × 12,592.32
  4. Step 4: Simplify right side
    45,872.38x = 866,454,998.95
  5. Step 5: Solve for x
    x = 866,454,998.95/45,872.38
  6. Step 6: Final answer
    x = 18,888.38

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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.