Home / 30,653.30-42,294.05-17,899.25

Finding the Fourth Proportional to 30,653.30, 42,294.05 and 17,899.25

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Solution

The fourth proportional to 30,653.30, 42,294.05 and 17,899.25 is: 24,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.30 : 42,294.05 = 17,899.25 : x
  2. Step 2: Convert to fraction form
    30,653.30/42,294.05 = 17,899.25/x
  3. Step 3: Cross multiply
    30,653.30x = 42,294.05 × 17,899.25
  4. Step 4: Simplify right side
    30,653.30x = 757,031,540.62
  5. Step 5: Solve for x
    x = 757,031,540.62/30,653.30
  6. Step 6: Final answer
    x = 24,696.57

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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.