Home / 53,284.50-79,903.44-28,318.55

Finding the Fourth Proportional to 53,284.50, 79,903.44 and 28,318.55

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Solution

The fourth proportional to 53,284.50, 79,903.44 and 28,318.55 is: 42,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,284.50 : 79,903.44 = 28,318.55 : x
  2. Step 2: Convert to fraction form
    53,284.50/79,903.44 = 28,318.55/x
  3. Step 3: Cross multiply
    53,284.50x = 79,903.44 × 28,318.55
  4. Step 4: Simplify right side
    53,284.50x = 2,262,749,161.29
  5. Step 5: Solve for x
    x = 2,262,749,161.29/53,284.50
  6. Step 6: Final answer
    x = 42,465.43

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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.