Home / 55,439.80-76,511.46-31,573.96

Finding the Fourth Proportional to 55,439.80, 76,511.46 and 31,573.96

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Solution

The fourth proportional to 55,439.80, 76,511.46 and 31,573.96 is: 43,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.80 : 76,511.46 = 31,573.96 : x
  2. Step 2: Convert to fraction form
    55,439.80/76,511.46 = 31,573.96/x
  3. Step 3: Cross multiply
    55,439.80x = 76,511.46 × 31,573.96
  4. Step 4: Simplify right side
    55,439.80x = 2,415,769,777.58
  5. Step 5: Solve for x
    x = 2,415,769,777.58/55,439.80
  6. Step 6: Final answer
    x = 43,574.65

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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.