Home / 40,799.37-61,217.88-18,619.55

Finding the Fourth Proportional to 40,799.37, 61,217.88 and 18,619.55

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Solution

The fourth proportional to 40,799.37, 61,217.88 and 18,619.55 is: 27,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.37 : 61,217.88 = 18,619.55 : x
  2. Step 2: Convert to fraction form
    40,799.37/61,217.88 = 18,619.55/x
  3. Step 3: Cross multiply
    40,799.37x = 61,217.88 × 18,619.55
  4. Step 4: Simplify right side
    40,799.37x = 1,139,849,377.55
  5. Step 5: Solve for x
    x = 1,139,849,377.55/40,799.37
  6. Step 6: Final answer
    x = 27,937.92

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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.