Home / 35,115.66-48,475.87-20,770.97

Finding the Fourth Proportional to 35,115.66, 48,475.87 and 20,770.97

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Solution

The fourth proportional to 35,115.66, 48,475.87 and 20,770.97 is: 28,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.66 : 48,475.87 = 20,770.97 : x
  2. Step 2: Convert to fraction form
    35,115.66/48,475.87 = 20,770.97/x
  3. Step 3: Cross multiply
    35,115.66x = 48,475.87 × 20,770.97
  4. Step 4: Simplify right side
    35,115.66x = 1,006,890,547.19
  5. Step 5: Solve for x
    x = 1,006,890,547.19/35,115.66
  6. Step 6: Final answer
    x = 28,673.55

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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.