Home / 30,616.08-42,250.97-17,188.35

Finding the Fourth Proportional to 30,616.08, 42,250.97 and 17,188.35

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Solution

The fourth proportional to 30,616.08, 42,250.97 and 17,188.35 is: 23,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.08 : 42,250.97 = 17,188.35 : x
  2. Step 2: Convert to fraction form
    30,616.08/42,250.97 = 17,188.35/x
  3. Step 3: Cross multiply
    30,616.08x = 42,250.97 × 17,188.35
  4. Step 4: Simplify right side
    30,616.08x = 726,224,485.71
  5. Step 5: Solve for x
    x = 726,224,485.71/30,616.08
  6. Step 6: Final answer
    x = 23,720.36

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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.