Home / 31,859.08-43,967.99-19,112.74

Finding the Fourth Proportional to 31,859.08, 43,967.99 and 19,112.74

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Solution

The fourth proportional to 31,859.08, 43,967.99 and 19,112.74 is: 26,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.08 : 43,967.99 = 19,112.74 : x
  2. Step 2: Convert to fraction form
    31,859.08/43,967.99 = 19,112.74/x
  3. Step 3: Cross multiply
    31,859.08x = 43,967.99 × 19,112.74
  4. Step 4: Simplify right side
    31,859.08x = 840,348,761.19
  5. Step 5: Solve for x
    x = 840,348,761.19/31,859.08
  6. Step 6: Final answer
    x = 26,377.06

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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.