Home / 55,219.60-76,203.96-31,346.98

Finding the Fourth Proportional to 55,219.60, 76,203.96 and 31,346.98

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Solution

The fourth proportional to 55,219.60, 76,203.96 and 31,346.98 is: 43,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.60 : 76,203.96 = 31,346.98 : x
  2. Step 2: Convert to fraction form
    55,219.60/76,203.96 = 31,346.98/x
  3. Step 3: Cross multiply
    55,219.60x = 76,203.96 × 31,346.98
  4. Step 4: Simplify right side
    55,219.60x = 2,388,764,010.04
  5. Step 5: Solve for x
    x = 2,388,764,010.04/55,219.60
  6. Step 6: Final answer
    x = 43,259.35

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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.