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Finding the Fourth Proportional to 62,654.82, 86,465.36 and 35,801.70

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Solution

The fourth proportional to 62,654.82, 86,465.36 and 35,801.70 is: 49,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,654.82 : 86,465.36 = 35,801.70 : x
  2. Step 2: Convert to fraction form
    62,654.82/86,465.36 = 35,801.70/x
  3. Step 3: Cross multiply
    62,654.82x = 86,465.36 × 35,801.70
  4. Step 4: Simplify right side
    62,654.82x = 3,095,606,879.11
  5. Step 5: Solve for x
    x = 3,095,606,879.11/62,654.82
  6. Step 6: Final answer
    x = 49,407.32

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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.