Home / 30,653.72-42,302.87-17,224.16

Finding the Fourth Proportional to 30,653.72, 42,302.87 and 17,224.16

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Solution

The fourth proportional to 30,653.72, 42,302.87 and 17,224.16 is: 23,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.72 : 42,302.87 = 17,224.16 : x
  2. Step 2: Convert to fraction form
    30,653.72/42,302.87 = 17,224.16/x
  3. Step 3: Cross multiply
    30,653.72x = 42,302.87 × 17,224.16
  4. Step 4: Simplify right side
    30,653.72x = 728,631,103.70
  5. Step 5: Solve for x
    x = 728,631,103.70/30,653.72
  6. Step 6: Final answer
    x = 23,769.75

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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.