Home / 36,006.89-49,685.73-19,873.90

Finding the Fourth Proportional to 36,006.89, 49,685.73 and 19,873.90

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Solution

The fourth proportional to 36,006.89, 49,685.73 and 19,873.90 is: 27,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.89 : 49,685.73 = 19,873.90 : x
  2. Step 2: Convert to fraction form
    36,006.89/49,685.73 = 19,873.90/x
  3. Step 3: Cross multiply
    36,006.89x = 49,685.73 × 19,873.90
  4. Step 4: Simplify right side
    36,006.89x = 987,448,981.02
  5. Step 5: Solve for x
    x = 987,448,981.02/36,006.89
  6. Step 6: Final answer
    x = 27,423.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.