Home / 34,877.88-52,339.04-12,689.12

Finding the Fourth Proportional to 34,877.88, 52,339.04 and 12,689.12

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Solution

The fourth proportional to 34,877.88, 52,339.04 and 12,689.12 is: 19,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.88 : 52,339.04 = 12,689.12 : x
  2. Step 2: Convert to fraction form
    34,877.88/52,339.04 = 12,689.12/x
  3. Step 3: Cross multiply
    34,877.88x = 52,339.04 × 12,689.12
  4. Step 4: Simplify right side
    34,877.88x = 664,136,359.24
  5. Step 5: Solve for x
    x = 664,136,359.24/34,877.88
  6. Step 6: Final answer
    x = 19,041.76

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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.