Home / 34,664.10-51,996.15-12,478.20

Finding the Fourth Proportional to 34,664.10, 51,996.15 and 12,478.20

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Solution

The fourth proportional to 34,664.10, 51,996.15 and 12,478.20 is: 18,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,664.10 : 51,996.15 = 12,478.20 : x
  2. Step 2: Convert to fraction form
    34,664.10/51,996.15 = 12,478.20/x
  3. Step 3: Cross multiply
    34,664.10x = 51,996.15 × 12,478.20
  4. Step 4: Simplify right side
    34,664.10x = 648,818,358.93
  5. Step 5: Solve for x
    x = 648,818,358.93/34,664.10
  6. Step 6: Final answer
    x = 18,717.30

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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.