Home / 40,822.45-61,252.50-18,642.62

Finding the Fourth Proportional to 40,822.45, 61,252.50 and 18,642.62

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Solution

The fourth proportional to 40,822.45, 61,252.50 and 18,642.62 is: 27,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.45 : 61,252.50 = 18,642.62 : x
  2. Step 2: Convert to fraction form
    40,822.45/61,252.50 = 18,642.62/x
  3. Step 3: Cross multiply
    40,822.45x = 61,252.50 × 18,642.62
  4. Step 4: Simplify right side
    40,822.45x = 1,141,907,081.55
  5. Step 5: Solve for x
    x = 1,141,907,081.55/40,822.45
  6. Step 6: Final answer
    x = 27,972.53

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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.