Home / 56,958.12-78,578.10-38,101.32

Finding the Fourth Proportional to 56,958.12, 78,578.10 and 38,101.32

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Solution

The fourth proportional to 56,958.12, 78,578.10 and 38,101.32 is: 52,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,958.12 : 78,578.10 = 38,101.32 : x
  2. Step 2: Convert to fraction form
    56,958.12/78,578.10 = 38,101.32/x
  3. Step 3: Cross multiply
    56,958.12x = 78,578.10 × 38,101.32
  4. Step 4: Simplify right side
    56,958.12x = 2,993,929,333.09
  5. Step 5: Solve for x
    x = 2,993,929,333.09/56,958.12
  6. Step 6: Final answer
    x = 52,563.70

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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.