Home / 39,026.70-58,539.81-12,731.46

Finding the Fourth Proportional to 39,026.70, 58,539.81 and 12,731.46

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Solution

The fourth proportional to 39,026.70, 58,539.81 and 12,731.46 is: 19,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.70 : 58,539.81 = 12,731.46 : x
  2. Step 2: Convert to fraction form
    39,026.70/58,539.81 = 12,731.46/x
  3. Step 3: Cross multiply
    39,026.70x = 58,539.81 × 12,731.46
  4. Step 4: Simplify right side
    39,026.70x = 745,297,249.42
  5. Step 5: Solve for x
    x = 745,297,249.42/39,026.70
  6. Step 6: Final answer
    x = 19,097.11

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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.