Home / 31,187.04-43,036.09-17,039.88

Finding the Fourth Proportional to 31,187.04, 43,036.09 and 17,039.88

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Solution

The fourth proportional to 31,187.04, 43,036.09 and 17,039.88 is: 23,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.04 : 43,036.09 = 17,039.88 : x
  2. Step 2: Convert to fraction form
    31,187.04/43,036.09 = 17,039.88/x
  3. Step 3: Cross multiply
    31,187.04x = 43,036.09 × 17,039.88
  4. Step 4: Simplify right side
    31,187.04x = 733,329,809.27
  5. Step 5: Solve for x
    x = 733,329,809.27/31,187.04
  6. Step 6: Final answer
    x = 23,513.93

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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.