Home / 34,231.20-51,354.45-12,045.30

Finding the Fourth Proportional to 34,231.20, 51,354.45 and 12,045.30

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Solution

The fourth proportional to 34,231.20, 51,354.45 and 12,045.30 is: 18,070.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.20 : 51,354.45 = 12,045.30 : x
  2. Step 2: Convert to fraction form
    34,231.20/51,354.45 = 12,045.30/x
  3. Step 3: Cross multiply
    34,231.20x = 51,354.45 × 12,045.30
  4. Step 4: Simplify right side
    34,231.20x = 618,579,756.59
  5. Step 5: Solve for x
    x = 618,579,756.59/34,231.20
  6. Step 6: Final answer
    x = 18,070.64

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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.