Home / 56,268.53-77,647.43-30,769.82

Finding the Fourth Proportional to 56,268.53, 77,647.43 and 30,769.82

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Solution

The fourth proportional to 56,268.53, 77,647.43 and 30,769.82 is: 42,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,268.53 : 77,647.43 = 30,769.82 : x
  2. Step 2: Convert to fraction form
    56,268.53/77,647.43 = 30,769.82/x
  3. Step 3: Cross multiply
    56,268.53x = 77,647.43 × 30,769.82
  4. Step 4: Simplify right side
    56,268.53x = 2,389,197,133.25
  5. Step 5: Solve for x
    x = 2,389,197,133.25/56,268.53
  6. Step 6: Final answer
    x = 42,460.63

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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.