Home / 40,415.31-60,623.08-14,120.05

Finding the Fourth Proportional to 40,415.31, 60,623.08 and 14,120.05

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Solution

The fourth proportional to 40,415.31, 60,623.08 and 14,120.05 is: 21,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.31 : 60,623.08 = 14,120.05 : x
  2. Step 2: Convert to fraction form
    40,415.31/60,623.08 = 14,120.05/x
  3. Step 3: Cross multiply
    40,415.31x = 60,623.08 × 14,120.05
  4. Step 4: Simplify right side
    40,415.31x = 856,000,920.75
  5. Step 5: Solve for x
    x = 856,000,920.75/40,415.31
  6. Step 6: Final answer
    x = 21,180.12

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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.