Home / 56,015.70-77,301.32-30,523.56

Finding the Fourth Proportional to 56,015.70, 77,301.32 and 30,523.56

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Solution

The fourth proportional to 56,015.70, 77,301.32 and 30,523.56 is: 42,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.70 : 77,301.32 = 30,523.56 : x
  2. Step 2: Convert to fraction form
    56,015.70/77,301.32 = 30,523.56/x
  3. Step 3: Cross multiply
    56,015.70x = 77,301.32 × 30,523.56
  4. Step 4: Simplify right side
    56,015.70x = 2,359,511,326.48
  5. Step 5: Solve for x
    x = 2,359,511,326.48/56,015.70
  6. Step 6: Final answer
    x = 42,122.32

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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.