Home / 40,497.87-60,742.70-10,918.69

Finding the Fourth Proportional to 40,497.87, 60,742.70 and 10,918.69

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Solution

The fourth proportional to 40,497.87, 60,742.70 and 10,918.69 is: 16,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,497.87 : 60,742.70 = 10,918.69 : x
  2. Step 2: Convert to fraction form
    40,497.87/60,742.70 = 10,918.69/x
  3. Step 3: Cross multiply
    40,497.87x = 60,742.70 × 10,918.69
  4. Step 4: Simplify right side
    40,497.87x = 663,230,711.06
  5. Step 5: Solve for x
    x = 663,230,711.06/40,497.87
  6. Step 6: Final answer
    x = 16,376.93

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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.