Home / 40,855.32-61,283.02-12,775.52

Finding the Fourth Proportional to 40,855.32, 61,283.02 and 12,775.52

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Solution

The fourth proportional to 40,855.32, 61,283.02 and 12,775.52 is: 19,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.32 : 61,283.02 = 12,775.52 : x
  2. Step 2: Convert to fraction form
    40,855.32/61,283.02 = 12,775.52/x
  3. Step 3: Cross multiply
    40,855.32x = 61,283.02 × 12,775.52
  4. Step 4: Simplify right side
    40,855.32x = 782,922,447.67
  5. Step 5: Solve for x
    x = 782,922,447.67/40,855.32
  6. Step 6: Final answer
    x = 19,163.29

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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.