Home / 35,454.51-48,926.82-20,140.95

Finding the Fourth Proportional to 35,454.51, 48,926.82 and 20,140.95

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Solution

The fourth proportional to 35,454.51, 48,926.82 and 20,140.95 is: 27,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.51 : 48,926.82 = 20,140.95 : x
  2. Step 2: Convert to fraction form
    35,454.51/48,926.82 = 20,140.95/x
  3. Step 3: Cross multiply
    35,454.51x = 48,926.82 × 20,140.95
  4. Step 4: Simplify right side
    35,454.51x = 985,432,635.28
  5. Step 5: Solve for x
    x = 985,432,635.28/35,454.51
  6. Step 6: Final answer
    x = 27,794.28

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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.