Home / 62,968.90-86,890.48-35,736.31

Finding the Fourth Proportional to 62,968.90, 86,890.48 and 35,736.31

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Solution

The fourth proportional to 62,968.90, 86,890.48 and 35,736.31 is: 49,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,968.90 : 86,890.48 = 35,736.31 : x
  2. Step 2: Convert to fraction form
    62,968.90/86,890.48 = 35,736.31/x
  3. Step 3: Cross multiply
    62,968.90x = 86,890.48 × 35,736.31
  4. Step 4: Simplify right side
    62,968.90x = 3,105,145,311.52
  5. Step 5: Solve for x
    x = 3,105,145,311.52/62,968.90
  6. Step 6: Final answer
    x = 49,312.36

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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.