Home / 39,934.20-59,901.30-12,228.60

Finding the Fourth Proportional to 39,934.20, 59,901.30 and 12,228.60

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Solution

The fourth proportional to 39,934.20, 59,901.30 and 12,228.60 is: 18,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.20 : 59,901.30 = 12,228.60 : x
  2. Step 2: Convert to fraction form
    39,934.20/59,901.30 = 12,228.60/x
  3. Step 3: Cross multiply
    39,934.20x = 59,901.30 × 12,228.60
  4. Step 4: Simplify right side
    39,934.20x = 732,509,037.18
  5. Step 5: Solve for x
    x = 732,509,037.18/39,934.20
  6. Step 6: Final answer
    x = 18,342.90

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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.