Home / 40,852.32-61,278.52-12,772.52

Finding the Fourth Proportional to 40,852.32, 61,278.52 and 12,772.52

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Solution

The fourth proportional to 40,852.32, 61,278.52 and 12,772.52 is: 19,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,852.32 : 61,278.52 = 12,772.52 : x
  2. Step 2: Convert to fraction form
    40,852.32/61,278.52 = 12,772.52/x
  3. Step 3: Cross multiply
    40,852.32x = 61,278.52 × 12,772.52
  4. Step 4: Simplify right side
    40,852.32x = 782,681,022.67
  5. Step 5: Solve for x
    x = 782,681,022.67/40,852.32
  6. Step 6: Final answer
    x = 19,158.79

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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.