Home / 55,624.20-76,766.90-31,754.48

Finding the Fourth Proportional to 55,624.20, 76,766.90 and 31,754.48

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Solution

The fourth proportional to 55,624.20, 76,766.90 and 31,754.48 is: 43,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.20 : 76,766.90 = 31,754.48 : x
  2. Step 2: Convert to fraction form
    55,624.20/76,766.90 = 31,754.48/x
  3. Step 3: Cross multiply
    55,624.20x = 76,766.90 × 31,754.48
  4. Step 4: Simplify right side
    55,624.20x = 2,437,692,448.11
  5. Step 5: Solve for x
    x = 2,437,692,448.11/55,624.20
  6. Step 6: Final answer
    x = 43,824.31

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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.