Home / 31,531.12-43,513.23-19,594.96

Finding the Fourth Proportional to 31,531.12, 43,513.23 and 19,594.96

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Solution

The fourth proportional to 31,531.12, 43,513.23 and 19,594.96 is: 27,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531.12 : 43,513.23 = 19,594.96 : x
  2. Step 2: Convert to fraction form
    31,531.12/43,513.23 = 19,594.96/x
  3. Step 3: Cross multiply
    31,531.12x = 43,513.23 × 19,594.96
  4. Step 4: Simplify right side
    31,531.12x = 852,640,001.32
  5. Step 5: Solve for x
    x = 852,640,001.32/31,531.12
  6. Step 6: Final answer
    x = 27,041.22

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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.