Home / 34,029.90-51,045.66-12,967.20

Finding the Fourth Proportional to 34,029.90, 51,045.66 and 12,967.20

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Solution

The fourth proportional to 34,029.90, 51,045.66 and 12,967.20 is: 19,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,029.90 : 51,045.66 = 12,967.20 : x
  2. Step 2: Convert to fraction form
    34,029.90/51,045.66 = 12,967.20/x
  3. Step 3: Cross multiply
    34,029.90x = 51,045.66 × 12,967.20
  4. Step 4: Simplify right side
    34,029.90x = 661,919,282.35
  5. Step 5: Solve for x
    x = 661,919,282.35/34,029.90
  6. Step 6: Final answer
    x = 19,451.11

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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.