Home / 61,767.39-85,214.66-40,282.17

Finding the Fourth Proportional to 61,767.39, 85,214.66 and 40,282.17

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Solution

The fourth proportional to 61,767.39, 85,214.66 and 40,282.17 is: 55,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,767.39 : 85,214.66 = 40,282.17 : x
  2. Step 2: Convert to fraction form
    61,767.39/85,214.66 = 40,282.17/x
  3. Step 3: Cross multiply
    61,767.39x = 85,214.66 × 40,282.17
  4. Step 4: Simplify right side
    61,767.39x = 3,432,631,219.20
  5. Step 5: Solve for x
    x = 3,432,631,219.20/61,767.39
  6. Step 6: Final answer
    x = 55,573.52

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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.