Home / 40,814.82-61,205.52-12,725.36

Finding the Fourth Proportional to 40,814.82, 61,205.52 and 12,725.36

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Solution

The fourth proportional to 40,814.82, 61,205.52 and 12,725.36 is: 19,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.82 : 61,205.52 = 12,725.36 : x
  2. Step 2: Convert to fraction form
    40,814.82/61,205.52 = 12,725.36/x
  3. Step 3: Cross multiply
    40,814.82x = 61,205.52 × 12,725.36
  4. Step 4: Simplify right side
    40,814.82x = 778,862,275.99
  5. Step 5: Solve for x
    x = 778,862,275.99/40,814.82
  6. Step 6: Final answer
    x = 19,082.83

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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.