Home / 39,441.32-59,132.78-18,640.52

Finding the Fourth Proportional to 39,441.32, 59,132.78 and 18,640.52

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Solution

The fourth proportional to 39,441.32, 59,132.78 and 18,640.52 is: 27,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.32 : 59,132.78 = 18,640.52 : x
  2. Step 2: Convert to fraction form
    39,441.32/59,132.78 = 18,640.52/x
  3. Step 3: Cross multiply
    39,441.32x = 59,132.78 × 18,640.52
  4. Step 4: Simplify right side
    39,441.32x = 1,102,265,768.25
  5. Step 5: Solve for x
    x = 1,102,265,768.25/39,441.32
  6. Step 6: Final answer
    x = 27,946.98

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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.