Home / 43,799.32-65,682.78-15,711.40

Finding the Fourth Proportional to 43,799.32, 65,682.78 and 15,711.40

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Solution

The fourth proportional to 43,799.32, 65,682.78 and 15,711.40 is: 23,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,799.32 : 65,682.78 = 15,711.40 : x
  2. Step 2: Convert to fraction form
    43,799.32/65,682.78 = 15,711.40/x
  3. Step 3: Cross multiply
    43,799.32x = 65,682.78 × 15,711.40
  4. Step 4: Simplify right side
    43,799.32x = 1,031,968,429.69
  5. Step 5: Solve for x
    x = 1,031,968,429.69/43,799.32
  6. Step 6: Final answer
    x = 23,561.29

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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.