Home / 30,621.30-42,254.25-17,194.04

Finding the Fourth Proportional to 30,621.30, 42,254.25 and 17,194.04

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Solution

The fourth proportional to 30,621.30, 42,254.25 and 17,194.04 is: 23,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.30 : 42,254.25 = 17,194.04 : x
  2. Step 2: Convert to fraction form
    30,621.30/42,254.25 = 17,194.04/x
  3. Step 3: Cross multiply
    30,621.30x = 42,254.25 × 17,194.04
  4. Step 4: Simplify right side
    30,621.30x = 726,521,053.40
  5. Step 5: Solve for x
    x = 726,521,053.40/30,621.30
  6. Step 6: Final answer
    x = 23,726.00

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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.