Home / 39,533.30-59,291.39-12,517.78

Finding the Fourth Proportional to 39,533.30, 59,291.39 and 12,517.78

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Solution

The fourth proportional to 39,533.30, 59,291.39 and 12,517.78 is: 18,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,533.30 : 59,291.39 = 12,517.78 : x
  2. Step 2: Convert to fraction form
    39,533.30/59,291.39 = 12,517.78/x
  3. Step 3: Cross multiply
    39,533.30x = 59,291.39 × 12,517.78
  4. Step 4: Simplify right side
    39,533.30x = 742,196,458.98
  5. Step 5: Solve for x
    x = 742,196,458.98/39,533.30
  6. Step 6: Final answer
    x = 18,773.96

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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.