Home / 30,731.24-42,408.99-17,302.52

Finding the Fourth Proportional to 30,731.24, 42,408.99 and 17,302.52

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Solution

The fourth proportional to 30,731.24, 42,408.99 and 17,302.52 is: 23,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.24 : 42,408.99 = 17,302.52 : x
  2. Step 2: Convert to fraction form
    30,731.24/42,408.99 = 17,302.52/x
  3. Step 3: Cross multiply
    30,731.24x = 42,408.99 × 17,302.52
  4. Step 4: Simplify right side
    30,731.24x = 733,782,503.68
  5. Step 5: Solve for x
    x = 733,782,503.68/30,731.24
  6. Step 6: Final answer
    x = 23,877.41

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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.