Home / 30,621.09-42,259.56-17,193.24

Finding the Fourth Proportional to 30,621.09, 42,259.56 and 17,193.24

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Solution

The fourth proportional to 30,621.09, 42,259.56 and 17,193.24 is: 23,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.09 : 42,259.56 = 17,193.24 : x
  2. Step 2: Convert to fraction form
    30,621.09/42,259.56 = 17,193.24/x
  3. Step 3: Cross multiply
    30,621.09x = 42,259.56 × 17,193.24
  4. Step 4: Simplify right side
    30,621.09x = 726,578,757.37
  5. Step 5: Solve for x
    x = 726,578,757.37/30,621.09
  6. Step 6: Final answer
    x = 23,728.05

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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.