Home / 53,552.35-80,251.57-30,129.31

Finding the Fourth Proportional to 53,552.35, 80,251.57 and 30,129.31

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Solution

The fourth proportional to 53,552.35, 80,251.57 and 30,129.31 is: 45,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,552.35 : 80,251.57 = 30,129.31 : x
  2. Step 2: Convert to fraction form
    53,552.35/80,251.57 = 30,129.31/x
  3. Step 3: Cross multiply
    53,552.35x = 80,251.57 × 30,129.31
  4. Step 4: Simplify right side
    53,552.35x = 2,417,924,430.52
  5. Step 5: Solve for x
    x = 2,417,924,430.52/53,552.35
  6. Step 6: Final answer
    x = 45,150.67

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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.