Home / 31,866.11-43,973.84-19,126.83

Finding the Fourth Proportional to 31,866.11, 43,973.84 and 19,126.83

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Solution

The fourth proportional to 31,866.11, 43,973.84 and 19,126.83 is: 26,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.11 : 43,973.84 = 19,126.83 : x
  2. Step 2: Convert to fraction form
    31,866.11/43,973.84 = 19,126.83/x
  3. Step 3: Cross multiply
    31,866.11x = 43,973.84 × 19,126.83
  4. Step 4: Simplify right side
    31,866.11x = 841,080,066.49
  5. Step 5: Solve for x
    x = 841,080,066.49/31,866.11
  6. Step 6: Final answer
    x = 26,394.19

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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.