Home / 29,330.68-43,985.01-12,689.44

Finding the Fourth Proportional to 29,330.68, 43,985.01 and 12,689.44

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Solution

The fourth proportional to 29,330.68, 43,985.01 and 12,689.44 is: 19,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.68 : 43,985.01 = 12,689.44 : x
  2. Step 2: Convert to fraction form
    29,330.68/43,985.01 = 12,689.44/x
  3. Step 3: Cross multiply
    29,330.68x = 43,985.01 × 12,689.44
  4. Step 4: Simplify right side
    29,330.68x = 558,145,145.29
  5. Step 5: Solve for x
    x = 558,145,145.29/29,330.68
  6. Step 6: Final answer
    x = 19,029.40

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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.