Home / 34,618.73-51,930.63-12,432.29

Finding the Fourth Proportional to 34,618.73, 51,930.63 and 12,432.29

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Solution

The fourth proportional to 34,618.73, 51,930.63 and 12,432.29 is: 18,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.73 : 51,930.63 = 12,432.29 : x
  2. Step 2: Convert to fraction form
    34,618.73/51,930.63 = 12,432.29/x
  3. Step 3: Cross multiply
    34,618.73x = 51,930.63 × 12,432.29
  4. Step 4: Simplify right side
    34,618.73x = 645,616,684.50
  5. Step 5: Solve for x
    x = 645,616,684.50/34,618.73
  6. Step 6: Final answer
    x = 18,649.35

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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.