Home / 36,077.79-54,122.09-12,700.11

Finding the Fourth Proportional to 36,077.79, 54,122.09 and 12,700.11

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Solution

The fourth proportional to 36,077.79, 54,122.09 and 12,700.11 is: 19,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.79 : 54,122.09 = 12,700.11 : x
  2. Step 2: Convert to fraction form
    36,077.79/54,122.09 = 12,700.11/x
  3. Step 3: Cross multiply
    36,077.79x = 54,122.09 × 12,700.11
  4. Step 4: Simplify right side
    36,077.79x = 687,356,432.93
  5. Step 5: Solve for x
    x = 687,356,432.93/36,077.79
  6. Step 6: Final answer
    x = 19,052.07

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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.