Home / 55,839.30-77,057.34-30,688.26

Finding the Fourth Proportional to 55,839.30, 77,057.34 and 30,688.26

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Solution

The fourth proportional to 55,839.30, 77,057.34 and 30,688.26 is: 42,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,839.30 : 77,057.34 = 30,688.26 : x
  2. Step 2: Convert to fraction form
    55,839.30/77,057.34 = 30,688.26/x
  3. Step 3: Cross multiply
    55,839.30x = 77,057.34 × 30,688.26
  4. Step 4: Simplify right side
    55,839.30x = 2,364,755,684.83
  5. Step 5: Solve for x
    x = 2,364,755,684.83/55,839.30
  6. Step 6: Final answer
    x = 42,349.31

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