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Finding the Fourth Proportional to 62,633.88, 86,435.10 and 34,340.04

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Solution

The fourth proportional to 62,633.88, 86,435.10 and 34,340.04 is: 47,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,633.88 : 86,435.10 = 34,340.04 : x
  2. Step 2: Convert to fraction form
    62,633.88/86,435.10 = 34,340.04/x
  3. Step 3: Cross multiply
    62,633.88x = 86,435.10 × 34,340.04
  4. Step 4: Simplify right side
    62,633.88x = 2,968,184,791.40
  5. Step 5: Solve for x
    x = 2,968,184,791.40/62,633.88
  6. Step 6: Final answer
    x = 47,389.44

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1.5x scale

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.