Home / 53,346.43-80,031.55-20,066.77

Finding the Fourth Proportional to 53,346.43, 80,031.55 and 20,066.77

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Solution

The fourth proportional to 53,346.43, 80,031.55 and 20,066.77 is: 30,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,346.43 : 80,031.55 = 20,066.77 : x
  2. Step 2: Convert to fraction form
    53,346.43/80,031.55 = 20,066.77/x
  3. Step 3: Cross multiply
    53,346.43x = 80,031.55 × 20,066.77
  4. Step 4: Simplify right side
    53,346.43x = 1,605,974,706.59
  5. Step 5: Solve for x
    x = 1,605,974,706.59/53,346.43
  6. Step 6: Final answer
    x = 30,104.63

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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.