Home / 38,976.52-58,465.32-12,681.40

Finding the Fourth Proportional to 38,976.52, 58,465.32 and 12,681.40

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Solution

The fourth proportional to 38,976.52, 58,465.32 and 12,681.40 is: 19,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.52 : 58,465.32 = 12,681.40 : x
  2. Step 2: Convert to fraction form
    38,976.52/58,465.32 = 12,681.40/x
  3. Step 3: Cross multiply
    38,976.52x = 58,465.32 × 12,681.40
  4. Step 4: Simplify right side
    38,976.52x = 741,422,109.05
  5. Step 5: Solve for x
    x = 741,422,109.05/38,976.52
  6. Step 6: Final answer
    x = 19,022.28

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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.