Home / 33,102.72-45,681.60-17,995.20

Finding the Fourth Proportional to 33,102.72, 45,681.60 and 17,995.20

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Solution

The fourth proportional to 33,102.72, 45,681.60 and 17,995.20 is: 24,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.72 : 45,681.60 = 17,995.20 : x
  2. Step 2: Convert to fraction form
    33,102.72/45,681.60 = 17,995.20/x
  3. Step 3: Cross multiply
    33,102.72x = 45,681.60 × 17,995.20
  4. Step 4: Simplify right side
    33,102.72x = 822,049,528.32
  5. Step 5: Solve for x
    x = 822,049,528.32/33,102.72
  6. Step 6: Final answer
    x = 24,833.29

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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.