Home / 30,653.08-42,302.50-17,224.30

Finding the Fourth Proportional to 30,653.08, 42,302.50 and 17,224.30

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Solution

The fourth proportional to 30,653.08, 42,302.50 and 17,224.30 is: 23,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.08 : 42,302.50 = 17,224.30 : x
  2. Step 2: Convert to fraction form
    30,653.08/42,302.50 = 17,224.30/x
  3. Step 3: Cross multiply
    30,653.08x = 42,302.50 × 17,224.30
  4. Step 4: Simplify right side
    30,653.08x = 728,630,950.75
  5. Step 5: Solve for x
    x = 728,630,950.75/30,653.08
  6. Step 6: Final answer
    x = 23,770.24

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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.