Home / 38,991.39-58,494.98-12,689.07

Finding the Fourth Proportional to 38,991.39, 58,494.98 and 12,689.07

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Solution

The fourth proportional to 38,991.39, 58,494.98 and 12,689.07 is: 19,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991.39 : 58,494.98 = 12,689.07 : x
  2. Step 2: Convert to fraction form
    38,991.39/58,494.98 = 12,689.07/x
  3. Step 3: Cross multiply
    38,991.39x = 58,494.98 × 12,689.07
  4. Step 4: Simplify right side
    38,991.39x = 742,246,895.87
  5. Step 5: Solve for x
    x = 742,246,895.87/38,991.39
  6. Step 6: Final answer
    x = 19,036.17

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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.