Home / 53,110.28-79,465.25-31,683.76

Finding the Fourth Proportional to 53,110.28, 79,465.25 and 31,683.76

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Solution

The fourth proportional to 53,110.28, 79,465.25 and 31,683.76 is: 47,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,110.28 : 79,465.25 = 31,683.76 : x
  2. Step 2: Convert to fraction form
    53,110.28/79,465.25 = 31,683.76/x
  3. Step 3: Cross multiply
    53,110.28x = 79,465.25 × 31,683.76
  4. Step 4: Simplify right side
    53,110.28x = 2,517,757,789.89
  5. Step 5: Solve for x
    x = 2,517,757,789.89/53,110.28
  6. Step 6: Final answer
    x = 47,406.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.