Home / 31,791.04-43,870.80-17,643.52

Finding the Fourth Proportional to 31,791.04, 43,870.80 and 17,643.52

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Solution

The fourth proportional to 31,791.04, 43,870.80 and 17,643.52 is: 24,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.04 : 43,870.80 = 17,643.52 : x
  2. Step 2: Convert to fraction form
    31,791.04/43,870.80 = 17,643.52/x
  3. Step 3: Cross multiply
    31,791.04x = 43,870.80 × 17,643.52
  4. Step 4: Simplify right side
    31,791.04x = 774,035,337.22
  5. Step 5: Solve for x
    x = 774,035,337.22/31,791.04
  6. Step 6: Final answer
    x = 24,347.59

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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.