Home / 55,967.90-77,233.77-30,473.75

Finding the Fourth Proportional to 55,967.90, 77,233.77 and 30,473.75

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Solution

The fourth proportional to 55,967.90, 77,233.77 and 30,473.75 is: 42,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,967.90 : 77,233.77 = 30,473.75 : x
  2. Step 2: Convert to fraction form
    55,967.90/77,233.77 = 30,473.75/x
  3. Step 3: Cross multiply
    55,967.90x = 77,233.77 × 30,473.75
  4. Step 4: Simplify right side
    55,967.90x = 2,353,602,791.62
  5. Step 5: Solve for x
    x = 2,353,602,791.62/55,967.90
  6. Step 6: Final answer
    x = 42,052.73

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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.