Home / 43,621.23-65,343.06-39,988.38

Finding the Fourth Proportional to 43,621.23, 65,343.06 and 39,988.38

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Solution

The fourth proportional to 43,621.23, 65,343.06 and 39,988.38 is: 59,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,621.23 : 65,343.06 = 39,988.38 : x
  2. Step 2: Convert to fraction form
    43,621.23/65,343.06 = 39,988.38/x
  3. Step 3: Cross multiply
    43,621.23x = 65,343.06 × 39,988.38
  4. Step 4: Simplify right side
    43,621.23x = 2,612,963,113.64
  5. Step 5: Solve for x
    x = 2,612,963,113.64/43,621.23
  6. Step 6: Final answer
    x = 59,901.18

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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.