Home / 56,764.20-78,340.76-31,273.19

Finding the Fourth Proportional to 56,764.20, 78,340.76 and 31,273.19

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Solution

The fourth proportional to 56,764.20, 78,340.76 and 31,273.19 is: 43,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.20 : 78,340.76 = 31,273.19 : x
  2. Step 2: Convert to fraction form
    56,764.20/78,340.76 = 31,273.19/x
  3. Step 3: Cross multiply
    56,764.20x = 78,340.76 × 31,273.19
  4. Step 4: Simplify right side
    56,764.20x = 2,449,964,924.15
  5. Step 5: Solve for x
    x = 2,449,964,924.15/56,764.20
  6. Step 6: Final answer
    x = 43,160.39

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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.