Home / 41,981.70-62,959.32-13,895.40

Finding the Fourth Proportional to 41,981.70, 62,959.32 and 13,895.40

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Solution

The fourth proportional to 41,981.70, 62,959.32 and 13,895.40 is: 20,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.70 : 62,959.32 = 13,895.40 : x
  2. Step 2: Convert to fraction form
    41,981.70/62,959.32 = 13,895.40/x
  3. Step 3: Cross multiply
    41,981.70x = 62,959.32 × 13,895.40
  4. Step 4: Simplify right side
    41,981.70x = 874,844,935.13
  5. Step 5: Solve for x
    x = 874,844,935.13/41,981.70
  6. Step 6: Final answer
    x = 20,838.72

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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.