Home / 53,068.15-79,578.87-28,102.37

Finding the Fourth Proportional to 53,068.15, 79,578.87 and 28,102.37

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Solution

The fourth proportional to 53,068.15, 79,578.87 and 28,102.37 is: 42,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,068.15 : 79,578.87 = 28,102.37 : x
  2. Step 2: Convert to fraction form
    53,068.15/79,578.87 = 28,102.37/x
  3. Step 3: Cross multiply
    53,068.15x = 79,578.87 × 28,102.37
  4. Step 4: Simplify right side
    53,068.15x = 2,236,354,951.35
  5. Step 5: Solve for x
    x = 2,236,354,951.35/53,068.15
  6. Step 6: Final answer
    x = 42,141.19

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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.