Home / 35,014.31-48,311.45-19,905.78

Finding the Fourth Proportional to 35,014.31, 48,311.45 and 19,905.78

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Solution

The fourth proportional to 35,014.31, 48,311.45 and 19,905.78 is: 27,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,014.31 : 48,311.45 = 19,905.78 : x
  2. Step 2: Convert to fraction form
    35,014.31/48,311.45 = 19,905.78/x
  3. Step 3: Cross multiply
    35,014.31x = 48,311.45 × 19,905.78
  4. Step 4: Simplify right side
    35,014.31x = 961,676,995.65
  5. Step 5: Solve for x
    x = 961,676,995.65/35,014.31
  6. Step 6: Final answer
    x = 27,465.26

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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.