Home / 35,419.98-48,874.39-20,313.28

Finding the Fourth Proportional to 35,419.98, 48,874.39 and 20,313.28

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Solution

The fourth proportional to 35,419.98, 48,874.39 and 20,313.28 is: 28,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.98 : 48,874.39 = 20,313.28 : x
  2. Step 2: Convert to fraction form
    35,419.98/48,874.39 = 20,313.28/x
  3. Step 3: Cross multiply
    35,419.98x = 48,874.39 × 20,313.28
  4. Step 4: Simplify right side
    35,419.98x = 992,799,179.21
  5. Step 5: Solve for x
    x = 992,799,179.21/35,419.98
  6. Step 6: Final answer
    x = 28,029.35

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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.