Home / 56,453.19-77,906.48-30,958.04

Finding the Fourth Proportional to 56,453.19, 77,906.48 and 30,958.04

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Solution

The fourth proportional to 56,453.19, 77,906.48 and 30,958.04 is: 42,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.19 : 77,906.48 = 30,958.04 : x
  2. Step 2: Convert to fraction form
    56,453.19/77,906.48 = 30,958.04/x
  3. Step 3: Cross multiply
    56,453.19x = 77,906.48 × 30,958.04
  4. Step 4: Simplify right side
    56,453.19x = 2,411,831,924.10
  5. Step 5: Solve for x
    x = 2,411,831,924.10/56,453.19
  6. Step 6: Final answer
    x = 42,722.69

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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.