Home / 30,651.01-42,298.00-17,222.02

Finding the Fourth Proportional to 30,651.01, 42,298.00 and 17,222.02

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Solution

The fourth proportional to 30,651.01, 42,298.00 and 17,222.02 is: 23,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.01 : 42,298.00 = 17,222.02 : x
  2. Step 2: Convert to fraction form
    30,651.01/42,298.00 = 17,222.02/x
  3. Step 3: Cross multiply
    30,651.01x = 42,298.00 × 17,222.02
  4. Step 4: Simplify right side
    30,651.01x = 728,456,853.16
  5. Step 5: Solve for x
    x = 728,456,853.16/30,651.01
  6. Step 6: Final answer
    x = 23,766.16

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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.