Home / 35,418.96-48,876.68-20,301.12

Finding the Fourth Proportional to 35,418.96, 48,876.68 and 20,301.12

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Solution

The fourth proportional to 35,418.96, 48,876.68 and 20,301.12 is: 28,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.96 : 48,876.68 = 20,301.12 : x
  2. Step 2: Convert to fraction form
    35,418.96/48,876.68 = 20,301.12/x
  3. Step 3: Cross multiply
    35,418.96x = 48,876.68 × 20,301.12
  4. Step 4: Simplify right side
    35,418.96x = 992,251,396.63
  5. Step 5: Solve for x
    x = 992,251,396.63/35,418.96
  6. Step 6: Final answer
    x = 28,014.70

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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.