Home / 51,828-77,742.18-14,391

Finding the Fourth Proportional to 51,828, 77,742.18 and 14,391

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Solution

The fourth proportional to 51,828, 77,742.18 and 14,391 is: 21,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,828 : 77,742.18 = 14,391 : x
  2. Step 2: Convert to fraction form
    51,828/77,742.18 = 14,391/x
  3. Step 3: Cross multiply
    51,828x = 77,742.18 × 14,391
  4. Step 4: Simplify right side
    51,828x = 1,118,787,712.38
  5. Step 5: Solve for x
    x = 1,118,787,712.38/51,828
  6. Step 6: Final answer
    x = 21,586.55

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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.