Home / 40,972.08-61,506.72-34,479.12

Finding the Fourth Proportional to 40,972.08, 61,506.72 and 34,479.12

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Solution

The fourth proportional to 40,972.08, 61,506.72 and 34,479.12 is: 51,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,972.08 : 61,506.72 = 34,479.12 : x
  2. Step 2: Convert to fraction form
    40,972.08/61,506.72 = 34,479.12/x
  3. Step 3: Cross multiply
    40,972.08x = 61,506.72 × 34,479.12
  4. Step 4: Simplify right side
    40,972.08x = 2,120,697,579.69
  5. Step 5: Solve for x
    x = 2,120,697,579.69/40,972.08
  6. Step 6: Final answer
    x = 51,759.58

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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.