Home / 31,206.09-43,065.24-19,106.33

Finding the Fourth Proportional to 31,206.09, 43,065.24 and 19,106.33

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Solution

The fourth proportional to 31,206.09, 43,065.24 and 19,106.33 is: 26,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.09 : 43,065.24 = 19,106.33 : x
  2. Step 2: Convert to fraction form
    31,206.09/43,065.24 = 19,106.33/x
  3. Step 3: Cross multiply
    31,206.09x = 43,065.24 × 19,106.33
  4. Step 4: Simplify right side
    31,206.09x = 822,818,803.45
  5. Step 5: Solve for x
    x = 822,818,803.45/31,206.09
  6. Step 6: Final answer
    x = 26,367.25

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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.