Home / 55,857.39-77,078.62-32,883.57

Finding the Fourth Proportional to 55,857.39, 77,078.62 and 32,883.57

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Solution

The fourth proportional to 55,857.39, 77,078.62 and 32,883.57 is: 45,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857.39 : 77,078.62 = 32,883.57 : x
  2. Step 2: Convert to fraction form
    55,857.39/77,078.62 = 32,883.57/x
  3. Step 3: Cross multiply
    55,857.39x = 77,078.62 × 32,883.57
  4. Step 4: Simplify right side
    55,857.39x = 2,534,619,810.88
  5. Step 5: Solve for x
    x = 2,534,619,810.88/55,857.39
  6. Step 6: Final answer
    x = 45,376.62

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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.