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Finding the Fourth Proportional to 56,062.62, 77,367.03 and 30,568.78

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Solution

The fourth proportional to 56,062.62, 77,367.03 and 30,568.78 is: 42,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,062.62 : 77,367.03 = 30,568.78 : x
  2. Step 2: Convert to fraction form
    56,062.62/77,367.03 = 30,568.78/x
  3. Step 3: Cross multiply
    56,062.62x = 77,367.03 × 30,568.78
  4. Step 4: Simplify right side
    56,062.62x = 2,365,015,719.32
  5. Step 5: Solve for x
    x = 2,365,015,719.32/56,062.62
  6. Step 6: Final answer
    x = 42,185.25

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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.