Home / 31,616.36-43,630.08-17,275.88

Finding the Fourth Proportional to 31,616.36, 43,630.08 and 17,275.88

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Solution

The fourth proportional to 31,616.36, 43,630.08 and 17,275.88 is: 23,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.36 : 43,630.08 = 17,275.88 : x
  2. Step 2: Convert to fraction form
    31,616.36/43,630.08 = 17,275.88/x
  3. Step 3: Cross multiply
    31,616.36x = 43,630.08 × 17,275.88
  4. Step 4: Simplify right side
    31,616.36x = 753,748,026.47
  5. Step 5: Solve for x
    x = 753,748,026.47/31,616.36
  6. Step 6: Final answer
    x = 23,840.44

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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.