Home / 53,465.62-73,799-30,819.76

Finding the Fourth Proportional to 53,465.62, 73,799 and 30,819.76

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Solution

The fourth proportional to 53,465.62, 73,799 and 30,819.76 is: 42,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.62 : 73,799 = 30,819.76 : x
  2. Step 2: Convert to fraction form
    53,465.62/73,799 = 30,819.76/x
  3. Step 3: Cross multiply
    53,465.62x = 73,799 × 30,819.76
  4. Step 4: Simplify right side
    53,465.62x = 2,274,467,468.24
  5. Step 5: Solve for x
    x = 2,274,467,468.24/53,465.62
  6. Step 6: Final answer
    x = 42,540.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.