Home / 35,191.60-48,561.78-20,083.84

Finding the Fourth Proportional to 35,191.60, 48,561.78 and 20,083.84

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Solution

The fourth proportional to 35,191.60, 48,561.78 and 20,083.84 is: 27,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,191.60 : 48,561.78 = 20,083.84 : x
  2. Step 2: Convert to fraction form
    35,191.60/48,561.78 = 20,083.84/x
  3. Step 3: Cross multiply
    35,191.60x = 48,561.78 × 20,083.84
  4. Step 4: Simplify right side
    35,191.60x = 975,307,019.64
  5. Step 5: Solve for x
    x = 975,307,019.64/35,191.60
  6. Step 6: Final answer
    x = 27,714.20

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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.