Home / 20,699.51-31,048.56-5,908.43

Finding the Fourth Proportional to 20,699.51, 31,048.56 and 5,908.43

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Solution

The fourth proportional to 20,699.51, 31,048.56 and 5,908.43 is: 8,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.51 : 31,048.56 = 5,908.43 : x
  2. Step 2: Convert to fraction form
    20,699.51/31,048.56 = 5,908.43/x
  3. Step 3: Cross multiply
    20,699.51x = 31,048.56 × 5,908.43
  4. Step 4: Simplify right side
    20,699.51x = 183,448,243.36
  5. Step 5: Solve for x
    x = 183,448,243.36/20,699.51
  6. Step 6: Final answer
    x = 8,862.44

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1.5x scale

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.