Home / 48,435.90-72,610.79-18,846.81

Finding the Fourth Proportional to 48,435.90, 72,610.79 and 18,846.81

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Solution

The fourth proportional to 48,435.90, 72,610.79 and 18,846.81 is: 28,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.90 : 72,610.79 = 18,846.81 : x
  2. Step 2: Convert to fraction form
    48,435.90/72,610.79 = 18,846.81/x
  3. Step 3: Cross multiply
    48,435.90x = 72,610.79 × 18,846.81
  4. Step 4: Simplify right side
    48,435.90x = 1,368,482,107.69
  5. Step 5: Solve for x
    x = 1,368,482,107.69/48,435.90
  6. Step 6: Final answer
    x = 28,253.47

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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.