Home / 31,851.28-43,952.88-17,703.64

Finding the Fourth Proportional to 31,851.28, 43,952.88 and 17,703.64

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Solution

The fourth proportional to 31,851.28, 43,952.88 and 17,703.64 is: 24,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.28 : 43,952.88 = 17,703.64 : x
  2. Step 2: Convert to fraction form
    31,851.28/43,952.88 = 17,703.64/x
  3. Step 3: Cross multiply
    31,851.28x = 43,952.88 × 17,703.64
  4. Step 4: Simplify right side
    31,851.28x = 778,125,964.48
  5. Step 5: Solve for x
    x = 778,125,964.48/31,851.28
  6. Step 6: Final answer
    x = 24,429.97

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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.