Home / 43,887.65-65,868.32-18,946.53

Finding the Fourth Proportional to 43,887.65, 65,868.32 and 18,946.53

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Solution

The fourth proportional to 43,887.65, 65,868.32 and 18,946.53 is: 28,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,887.65 : 65,868.32 = 18,946.53 : x
  2. Step 2: Convert to fraction form
    43,887.65/65,868.32 = 18,946.53/x
  3. Step 3: Cross multiply
    43,887.65x = 65,868.32 × 18,946.53
  4. Step 4: Simplify right side
    43,887.65x = 1,247,976,006.20
  5. Step 5: Solve for x
    x = 1,247,976,006.20/43,887.65
  6. Step 6: Final answer
    x = 28,435.70

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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.