Home / 67,737.36-101,556.81-28,305.75

Finding the Fourth Proportional to 67,737.36, 101,556.81 and 28,305.75

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Solution

The fourth proportional to 67,737.36, 101,556.81 and 28,305.75 is: 42,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,737.36 : 101,556.81 = 28,305.75 : x
  2. Step 2: Convert to fraction form
    67,737.36/101,556.81 = 28,305.75/x
  3. Step 3: Cross multiply
    67,737.36x = 101,556.81 × 28,305.75
  4. Step 4: Simplify right side
    67,737.36x = 2,874,641,674.66
  5. Step 5: Solve for x
    x = 2,874,641,674.66/67,737.36
  6. Step 6: Final answer
    x = 42,438.05

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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.