Home / 43,384.24-65,085.93-18,445.66

Finding the Fourth Proportional to 43,384.24, 65,085.93 and 18,445.66

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Solution

The fourth proportional to 43,384.24, 65,085.93 and 18,445.66 is: 27,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,384.24 : 65,085.93 = 18,445.66 : x
  2. Step 2: Convert to fraction form
    43,384.24/65,085.93 = 18,445.66/x
  3. Step 3: Cross multiply
    43,384.24x = 65,085.93 × 18,445.66
  4. Step 4: Simplify right side
    43,384.24x = 1,200,552,772.85
  5. Step 5: Solve for x
    x = 1,200,552,772.85/43,384.24
  6. Step 6: Final answer
    x = 27,672.55

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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.