Home / 39,602.48-59,416.97-12,949.69

Finding the Fourth Proportional to 39,602.48, 59,416.97 and 12,949.69

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Solution

The fourth proportional to 39,602.48, 59,416.97 and 12,949.69 is: 19,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.48 : 59,416.97 = 12,949.69 : x
  2. Step 2: Convert to fraction form
    39,602.48/59,416.97 = 12,949.69/x
  3. Step 3: Cross multiply
    39,602.48x = 59,416.97 × 12,949.69
  4. Step 4: Simplify right side
    39,602.48x = 769,431,226.07
  5. Step 5: Solve for x
    x = 769,431,226.07/39,602.48
  6. Step 6: Final answer
    x = 19,428.87

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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.