Home / 55,267.31-76,281.19-35,120.26

Finding the Fourth Proportional to 55,267.31, 76,281.19 and 35,120.26

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Solution

The fourth proportional to 55,267.31, 76,281.19 and 35,120.26 is: 48,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,267.31 : 76,281.19 = 35,120.26 : x
  2. Step 2: Convert to fraction form
    55,267.31/76,281.19 = 35,120.26/x
  3. Step 3: Cross multiply
    55,267.31x = 76,281.19 × 35,120.26
  4. Step 4: Simplify right side
    55,267.31x = 2,679,015,216.47
  5. Step 5: Solve for x
    x = 2,679,015,216.47/55,267.31
  6. Step 6: Final answer
    x = 48,473.77

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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.