Home / 36,985.49-51,039.99-19,989.68

Finding the Fourth Proportional to 36,985.49, 51,039.99 and 19,989.68

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Solution

The fourth proportional to 36,985.49, 51,039.99 and 19,989.68 is: 27,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.49 : 51,039.99 = 19,989.68 : x
  2. Step 2: Convert to fraction form
    36,985.49/51,039.99 = 19,989.68/x
  3. Step 3: Cross multiply
    36,985.49x = 51,039.99 × 19,989.68
  4. Step 4: Simplify right side
    36,985.49x = 1,020,273,067.30
  5. Step 5: Solve for x
    x = 1,020,273,067.30/36,985.49
  6. Step 6: Final answer
    x = 27,585.77

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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.