Home / 55,516.28-76,614.28-30,365.76

Finding the Fourth Proportional to 55,516.28, 76,614.28 and 30,365.76

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Solution

The fourth proportional to 55,516.28, 76,614.28 and 30,365.76 is: 41,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,516.28 : 76,614.28 = 30,365.76 : x
  2. Step 2: Convert to fraction form
    55,516.28/76,614.28 = 30,365.76/x
  3. Step 3: Cross multiply
    55,516.28x = 76,614.28 × 30,365.76
  4. Step 4: Simplify right side
    55,516.28x = 2,326,450,839.05
  5. Step 5: Solve for x
    x = 2,326,450,839.05/55,516.28
  6. Step 6: Final answer
    x = 41,905.74

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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.