Home / 51,400.04-70,932.66-30,179.72

Finding the Fourth Proportional to 51,400.04, 70,932.66 and 30,179.72

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Solution

The fourth proportional to 51,400.04, 70,932.66 and 30,179.72 is: 41,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,400.04 : 70,932.66 = 30,179.72 : x
  2. Step 2: Convert to fraction form
    51,400.04/70,932.66 = 30,179.72/x
  3. Step 3: Cross multiply
    51,400.04x = 70,932.66 × 30,179.72
  4. Step 4: Simplify right side
    51,400.04x = 2,140,727,817.66
  5. Step 5: Solve for x
    x = 2,140,727,817.66/51,400.04
  6. Step 6: Final answer
    x = 41,648.37

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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.