Home / 43,621.19-60,197.78-25,715.12

Finding the Fourth Proportional to 43,621.19, 60,197.78 and 25,715.12

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Solution

The fourth proportional to 43,621.19, 60,197.78 and 25,715.12 is: 35,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,621.19 : 60,197.78 = 25,715.12 : x
  2. Step 2: Convert to fraction form
    43,621.19/60,197.78 = 25,715.12/x
  3. Step 3: Cross multiply
    43,621.19x = 60,197.78 × 25,715.12
  4. Step 4: Simplify right side
    43,621.19x = 1,547,992,706.87
  5. Step 5: Solve for x
    x = 1,547,992,706.87/43,621.19
  6. Step 6: Final answer
    x = 35,487.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.