Home / 34,423.62-51,640.56-12,235.20

Finding the Fourth Proportional to 34,423.62, 51,640.56 and 12,235.20

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Solution

The fourth proportional to 34,423.62, 51,640.56 and 12,235.20 is: 18,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,423.62 : 51,640.56 = 12,235.20 : x
  2. Step 2: Convert to fraction form
    34,423.62/51,640.56 = 12,235.20/x
  3. Step 3: Cross multiply
    34,423.62x = 51,640.56 × 12,235.20
  4. Step 4: Simplify right side
    34,423.62x = 631,832,579.71
  5. Step 5: Solve for x
    x = 631,832,579.71/34,423.62
  6. Step 6: Final answer
    x = 18,354.62

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1.5x scale

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.