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Finding the Fourth Proportional to 62,143.48, 85,759.32 and 33,849.10

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Solution

The fourth proportional to 62,143.48, 85,759.32 and 33,849.10 is: 46,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,143.48 : 85,759.32 = 33,849.10 : x
  2. Step 2: Convert to fraction form
    62,143.48/85,759.32 = 33,849.10/x
  3. Step 3: Cross multiply
    62,143.48x = 85,759.32 × 33,849.10
  4. Step 4: Simplify right side
    62,143.48x = 2,902,875,798.61
  5. Step 5: Solve for x
    x = 2,902,875,798.61/62,143.48
  6. Step 6: Final answer
    x = 46,712.48

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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.