Home / 61,221.64-91,781.85-23,263.05

Finding the Fourth Proportional to 61,221.64, 91,781.85 and 23,263.05

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Solution

The fourth proportional to 61,221.64, 91,781.85 and 23,263.05 is: 34,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,221.64 : 91,781.85 = 23,263.05 : x
  2. Step 2: Convert to fraction form
    61,221.64/91,781.85 = 23,263.05/x
  3. Step 3: Cross multiply
    61,221.64x = 91,781.85 × 23,263.05
  4. Step 4: Simplify right side
    61,221.64x = 2,135,125,765.64
  5. Step 5: Solve for x
    x = 2,135,125,765.64/61,221.64
  6. Step 6: Final answer
    x = 34,875.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.