Home / 40,799.17-61,217.58-18,619.34

Finding the Fourth Proportional to 40,799.17, 61,217.58 and 18,619.34

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Solution

The fourth proportional to 40,799.17, 61,217.58 and 18,619.34 is: 27,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.17 : 61,217.58 = 18,619.34 : x
  2. Step 2: Convert to fraction form
    40,799.17/61,217.58 = 18,619.34/x
  3. Step 3: Cross multiply
    40,799.17x = 61,217.58 × 18,619.34
  4. Step 4: Simplify right side
    40,799.17x = 1,139,830,936.00
  5. Step 5: Solve for x
    x = 1,139,830,936.00/40,799.17
  6. Step 6: Final answer
    x = 27,937.60

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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.