Home / 39,528.23-59,299.63-12,517.38

Finding the Fourth Proportional to 39,528.23, 59,299.63 and 12,517.38

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Solution

The fourth proportional to 39,528.23, 59,299.63 and 12,517.38 is: 18,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.23 : 59,299.63 = 12,517.38 : x
  2. Step 2: Convert to fraction form
    39,528.23/59,299.63 = 12,517.38/x
  3. Step 3: Cross multiply
    39,528.23x = 59,299.63 × 12,517.38
  4. Step 4: Simplify right side
    39,528.23x = 742,275,971.28
  5. Step 5: Solve for x
    x = 742,275,971.28/39,528.23
  6. Step 6: Final answer
    x = 18,778.38

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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.