Home / 62,780.65-94,171.75-18,408.28

Finding the Fourth Proportional to 62,780.65, 94,171.75 and 18,408.28

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Solution

The fourth proportional to 62,780.65, 94,171.75 and 18,408.28 is: 27,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.65 : 94,171.75 = 18,408.28 : x
  2. Step 2: Convert to fraction form
    62,780.65/94,171.75 = 18,408.28/x
  3. Step 3: Cross multiply
    62,780.65x = 94,171.75 × 18,408.28
  4. Step 4: Simplify right side
    62,780.65x = 1,733,539,850.05
  5. Step 5: Solve for x
    x = 1,733,539,850.05/62,780.65
  6. Step 6: Final answer
    x = 27,612.65

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1.5x scale

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.