Home / 30,552.36-42,157.98-17,122.56

Finding the Fourth Proportional to 30,552.36, 42,157.98 and 17,122.56

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Solution

The fourth proportional to 30,552.36, 42,157.98 and 17,122.56 is: 23,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.36 : 42,157.98 = 17,122.56 : x
  2. Step 2: Convert to fraction form
    30,552.36/42,157.98 = 17,122.56/x
  3. Step 3: Cross multiply
    30,552.36x = 42,157.98 × 17,122.56
  4. Step 4: Simplify right side
    30,552.36x = 721,852,542.03
  5. Step 5: Solve for x
    x = 721,852,542.03/30,552.36
  6. Step 6: Final answer
    x = 23,626.74

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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.