Home / 31,966.18-44,112.26-20,036.09

Finding the Fourth Proportional to 31,966.18, 44,112.26 and 20,036.09

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Solution

The fourth proportional to 31,966.18, 44,112.26 and 20,036.09 is: 27,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.18 : 44,112.26 = 20,036.09 : x
  2. Step 2: Convert to fraction form
    31,966.18/44,112.26 = 20,036.09/x
  3. Step 3: Cross multiply
    31,966.18x = 44,112.26 × 20,036.09
  4. Step 4: Simplify right side
    31,966.18x = 883,837,371.83
  5. Step 5: Solve for x
    x = 883,837,371.83/31,966.18
  6. Step 6: Final answer
    x = 27,649.14

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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.