Home / 43,807.32-65,660.49-18,810.18

Finding the Fourth Proportional to 43,807.32, 65,660.49 and 18,810.18

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Solution

The fourth proportional to 43,807.32, 65,660.49 and 18,810.18 is: 28,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.32 : 65,660.49 = 18,810.18 : x
  2. Step 2: Convert to fraction form
    43,807.32/65,660.49 = 18,810.18/x
  3. Step 3: Cross multiply
    43,807.32x = 65,660.49 × 18,810.18
  4. Step 4: Simplify right side
    43,807.32x = 1,235,085,635.79
  5. Step 5: Solve for x
    x = 1,235,085,635.79/43,807.32
  6. Step 6: Final answer
    x = 28,193.59

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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.