Home / 61,361.47-91,930.96-28,109.35

Finding the Fourth Proportional to 61,361.47, 91,930.96 and 28,109.35

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Solution

The fourth proportional to 61,361.47, 91,930.96 and 28,109.35 is: 42,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.47 : 91,930.96 = 28,109.35 : x
  2. Step 2: Convert to fraction form
    61,361.47/91,930.96 = 28,109.35/x
  3. Step 3: Cross multiply
    61,361.47x = 91,930.96 × 28,109.35
  4. Step 4: Simplify right side
    61,361.47x = 2,584,119,335.79
  5. Step 5: Solve for x
    x = 2,584,119,335.79/61,361.47
  6. Step 6: Final answer
    x = 42,113.06

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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.