Home / 53,829.77-80,750.03-20,577.80

Finding the Fourth Proportional to 53,829.77, 80,750.03 and 20,577.80

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Solution

The fourth proportional to 53,829.77, 80,750.03 and 20,577.80 is: 30,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,829.77 : 80,750.03 = 20,577.80 : x
  2. Step 2: Convert to fraction form
    53,829.77/80,750.03 = 20,577.80/x
  3. Step 3: Cross multiply
    53,829.77x = 80,750.03 × 20,577.80
  4. Step 4: Simplify right side
    53,829.77x = 1,661,658,066.32
  5. Step 5: Solve for x
    x = 1,661,658,066.32/53,829.77
  6. Step 6: Final answer
    x = 30,868.76

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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.