Home / 31,813.76-43,901.29-19,067.45

Finding the Fourth Proportional to 31,813.76, 43,901.29 and 19,067.45

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Solution

The fourth proportional to 31,813.76, 43,901.29 and 19,067.45 is: 26,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.76 : 43,901.29 = 19,067.45 : x
  2. Step 2: Convert to fraction form
    31,813.76/43,901.29 = 19,067.45/x
  3. Step 3: Cross multiply
    31,813.76x = 43,901.29 × 19,067.45
  4. Step 4: Simplify right side
    31,813.76x = 837,085,703.28
  5. Step 5: Solve for x
    x = 837,085,703.28/31,813.76
  6. Step 6: Final answer
    x = 26,312.06

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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.