Home / 53,378.85-79,902.15-33,615.86

Finding the Fourth Proportional to 53,378.85, 79,902.15 and 33,615.86

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Solution

The fourth proportional to 53,378.85, 79,902.15 and 33,615.86 is: 50,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,378.85 : 79,902.15 = 33,615.86 : x
  2. Step 2: Convert to fraction form
    53,378.85/79,902.15 = 33,615.86/x
  3. Step 3: Cross multiply
    53,378.85x = 79,902.15 × 33,615.86
  4. Step 4: Simplify right side
    53,378.85x = 2,685,979,411.98
  5. Step 5: Solve for x
    x = 2,685,979,411.98/53,378.85
  6. Step 6: Final answer
    x = 50,319.17

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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.