Home / 40,705.14-61,119.69-38,700.39

Finding the Fourth Proportional to 40,705.14, 61,119.69 and 38,700.39

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Solution

The fourth proportional to 40,705.14, 61,119.69 and 38,700.39 is: 58,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,705.14 : 61,119.69 = 38,700.39 : x
  2. Step 2: Convert to fraction form
    40,705.14/61,119.69 = 38,700.39/x
  3. Step 3: Cross multiply
    40,705.14x = 61,119.69 × 38,700.39
  4. Step 4: Simplify right side
    40,705.14x = 2,365,355,839.68
  5. Step 5: Solve for x
    x = 2,365,355,839.68/40,705.14
  6. Step 6: Final answer
    x = 58,109.51

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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.