Home / 62,918.69-86,827.14-35,699.78

Finding the Fourth Proportional to 62,918.69, 86,827.14 and 35,699.78

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Solution

The fourth proportional to 62,918.69, 86,827.14 and 35,699.78 is: 49,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,918.69 : 86,827.14 = 35,699.78 : x
  2. Step 2: Convert to fraction form
    62,918.69/86,827.14 = 35,699.78/x
  3. Step 3: Cross multiply
    62,918.69x = 86,827.14 × 35,699.78
  4. Step 4: Simplify right side
    62,918.69x = 3,099,710,013.10
  5. Step 5: Solve for x
    x = 3,099,710,013.10/62,918.69
  6. Step 6: Final answer
    x = 49,265.33

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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.