Home / 51,684.32-71,230.38-40,347.92

Finding the Fourth Proportional to 51,684.32, 71,230.38 and 40,347.92

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Solution

The fourth proportional to 51,684.32, 71,230.38 and 40,347.92 is: 55,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,684.32 : 71,230.38 = 40,347.92 : x
  2. Step 2: Convert to fraction form
    51,684.32/71,230.38 = 40,347.92/x
  3. Step 3: Cross multiply
    51,684.32x = 71,230.38 × 40,347.92
  4. Step 4: Simplify right side
    51,684.32x = 2,873,997,700.58
  5. Step 5: Solve for x
    x = 2,873,997,700.58/51,684.32
  6. Step 6: Final answer
    x = 55,606.76

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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.