Home / 30,621.25-42,256.99-17,192.19

Finding the Fourth Proportional to 30,621.25, 42,256.99 and 17,192.19

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Solution

The fourth proportional to 30,621.25, 42,256.99 and 17,192.19 is: 23,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.25 : 42,256.99 = 17,192.19 : x
  2. Step 2: Convert to fraction form
    30,621.25/42,256.99 = 17,192.19/x
  3. Step 3: Cross multiply
    30,621.25x = 42,256.99 × 17,192.19
  4. Step 4: Simplify right side
    30,621.25x = 726,490,200.91
  5. Step 5: Solve for x
    x = 726,490,200.91/30,621.25
  6. Step 6: Final answer
    x = 23,725.03

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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.