Home / 56,091.56-77,400.97-30,939.44

Finding the Fourth Proportional to 56,091.56, 77,400.97 and 30,939.44

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Solution

The fourth proportional to 56,091.56, 77,400.97 and 30,939.44 is: 42,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.56 : 77,400.97 = 30,939.44 : x
  2. Step 2: Convert to fraction form
    56,091.56/77,400.97 = 30,939.44/x
  3. Step 3: Cross multiply
    56,091.56x = 77,400.97 × 30,939.44
  4. Step 4: Simplify right side
    56,091.56x = 2,394,742,202.90
  5. Step 5: Solve for x
    x = 2,394,742,202.90/56,091.56
  6. Step 6: Final answer
    x = 42,693.45

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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.