Home / 48,639.14-72,962.56-15,361.78

Finding the Fourth Proportional to 48,639.14, 72,962.56 and 15,361.78

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Solution

The fourth proportional to 48,639.14, 72,962.56 and 15,361.78 is: 23,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.14 : 72,962.56 = 15,361.78 : x
  2. Step 2: Convert to fraction form
    48,639.14/72,962.56 = 15,361.78/x
  3. Step 3: Cross multiply
    48,639.14x = 72,962.56 × 15,361.78
  4. Step 4: Simplify right side
    48,639.14x = 1,120,834,794.96
  5. Step 5: Solve for x
    x = 1,120,834,794.96/48,639.14
  6. Step 6: Final answer
    x = 23,043.89

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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.