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Finding the Fourth Proportional to 63,935.31, 88,230.84 and 35,640.39

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Solution

The fourth proportional to 63,935.31, 88,230.84 and 35,640.39 is: 49,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,935.31 : 88,230.84 = 35,640.39 : x
  2. Step 2: Convert to fraction form
    63,935.31/88,230.84 = 35,640.39/x
  3. Step 3: Cross multiply
    63,935.31x = 88,230.84 × 35,640.39
  4. Step 4: Simplify right side
    63,935.31x = 3,144,581,547.63
  5. Step 5: Solve for x
    x = 3,144,581,547.63/63,935.31
  6. Step 6: Final answer
    x = 49,183.80

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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.