Home / 56,351.08-77,765.37-30,857.02

Finding the Fourth Proportional to 56,351.08, 77,765.37 and 30,857.02

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Solution

The fourth proportional to 56,351.08, 77,765.37 and 30,857.02 is: 42,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,351.08 : 77,765.37 = 30,857.02 : x
  2. Step 2: Convert to fraction form
    56,351.08/77,765.37 = 30,857.02/x
  3. Step 3: Cross multiply
    56,351.08x = 77,765.37 × 30,857.02
  4. Step 4: Simplify right side
    56,351.08x = 2,399,607,577.40
  5. Step 5: Solve for x
    x = 2,399,607,577.40/56,351.08
  6. Step 6: Final answer
    x = 42,583.17

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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.