Home / 55,596.68-76,712.64-31,722.74

Finding the Fourth Proportional to 55,596.68, 76,712.64 and 31,722.74

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Solution

The fourth proportional to 55,596.68, 76,712.64 and 31,722.74 is: 43,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,596.68 : 76,712.64 = 31,722.74 : x
  2. Step 2: Convert to fraction form
    55,596.68/76,712.64 = 31,722.74/x
  3. Step 3: Cross multiply
    55,596.68x = 76,712.64 × 31,722.74
  4. Step 4: Simplify right side
    55,596.68x = 2,433,535,133.43
  5. Step 5: Solve for x
    x = 2,433,535,133.43/55,596.68
  6. Step 6: Final answer
    x = 43,771.23

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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.