Home / 51,160.74-76,751.55-21,578.52

Finding the Fourth Proportional to 51,160.74, 76,751.55 and 21,578.52

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Solution

The fourth proportional to 51,160.74, 76,751.55 and 21,578.52 is: 32,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,160.74 : 76,751.55 = 21,578.52 : x
  2. Step 2: Convert to fraction form
    51,160.74/76,751.55 = 21,578.52/x
  3. Step 3: Cross multiply
    51,160.74x = 76,751.55 × 21,578.52
  4. Step 4: Simplify right side
    51,160.74x = 1,656,184,856.71
  5. Step 5: Solve for x
    x = 1,656,184,856.71/51,160.74
  6. Step 6: Final answer
    x = 32,372.18

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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.