Home / 30,575.70-42,176.57-19,227.24

Finding the Fourth Proportional to 30,575.70, 42,176.57 and 19,227.24

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Solution

The fourth proportional to 30,575.70, 42,176.57 and 19,227.24 is: 26,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.70 : 42,176.57 = 19,227.24 : x
  2. Step 2: Convert to fraction form
    30,575.70/42,176.57 = 19,227.24/x
  3. Step 3: Cross multiply
    30,575.70x = 42,176.57 × 19,227.24
  4. Step 4: Simplify right side
    30,575.70x = 810,938,937.63
  5. Step 5: Solve for x
    x = 810,938,937.63/30,575.70
  6. Step 6: Final answer
    x = 26,522.33

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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.