Home / 30,616.21-42,248.08-17,189.52

Finding the Fourth Proportional to 30,616.21, 42,248.08 and 17,189.52

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Solution

The fourth proportional to 30,616.21, 42,248.08 and 17,189.52 is: 23,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.21 : 42,248.08 = 17,189.52 : x
  2. Step 2: Convert to fraction form
    30,616.21/42,248.08 = 17,189.52/x
  3. Step 3: Cross multiply
    30,616.21x = 42,248.08 × 17,189.52
  4. Step 4: Simplify right side
    30,616.21x = 726,224,216.12
  5. Step 5: Solve for x
    x = 726,224,216.12/30,616.21
  6. Step 6: Final answer
    x = 23,720.25

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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.