Home / 31,743.94-43,807.13-17,405.08

Finding the Fourth Proportional to 31,743.94, 43,807.13 and 17,405.08

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Solution

The fourth proportional to 31,743.94, 43,807.13 and 17,405.08 is: 24,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.94 : 43,807.13 = 17,405.08 : x
  2. Step 2: Convert to fraction form
    31,743.94/43,807.13 = 17,405.08/x
  3. Step 3: Cross multiply
    31,743.94x = 43,807.13 × 17,405.08
  4. Step 4: Simplify right side
    31,743.94x = 762,466,643.11
  5. Step 5: Solve for x
    x = 762,466,643.11/31,743.94
  6. Step 6: Final answer
    x = 24,019.28

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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.