Home / 51,242.72-76,867.12-14,306.72

Finding the Fourth Proportional to 51,242.72, 76,867.12 and 14,306.72

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Solution

The fourth proportional to 51,242.72, 76,867.12 and 14,306.72 is: 21,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.72 : 76,867.12 = 14,306.72 : x
  2. Step 2: Convert to fraction form
    51,242.72/76,867.12 = 14,306.72/x
  3. Step 3: Cross multiply
    51,242.72x = 76,867.12 × 14,306.72
  4. Step 4: Simplify right side
    51,242.72x = 1,099,716,363.05
  5. Step 5: Solve for x
    x = 1,099,716,363.05/51,242.72
  6. Step 6: Final answer
    x = 21,460.93

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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.