Home / 30,330.88-41,851.68-17,581.57

Finding the Fourth Proportional to 30,330.88, 41,851.68 and 17,581.57

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Solution

The fourth proportional to 30,330.88, 41,851.68 and 17,581.57 is: 24,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.88 : 41,851.68 = 17,581.57 : x
  2. Step 2: Convert to fraction form
    30,330.88/41,851.68 = 17,581.57/x
  3. Step 3: Cross multiply
    30,330.88x = 41,851.68 × 17,581.57
  4. Step 4: Simplify right side
    30,330.88x = 735,818,285.49
  5. Step 5: Solve for x
    x = 735,818,285.49/30,330.88
  6. Step 6: Final answer
    x = 24,259.71

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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.