Home / 53,308.87-80,011.67-28,369.92

Finding the Fourth Proportional to 53,308.87, 80,011.67 and 28,369.92

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Solution

The fourth proportional to 53,308.87, 80,011.67 and 28,369.92 is: 42,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.87 : 80,011.67 = 28,369.92 : x
  2. Step 2: Convert to fraction form
    53,308.87/80,011.67 = 28,369.92/x
  3. Step 3: Cross multiply
    53,308.87x = 80,011.67 × 28,369.92
  4. Step 4: Simplify right side
    53,308.87x = 2,269,924,276.91
  5. Step 5: Solve for x
    x = 2,269,924,276.91/53,308.87
  6. Step 6: Final answer
    x = 42,580.61

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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.