Home / 71,634.44-98,855.62-39,802.60

Finding the Fourth Proportional to 71,634.44, 98,855.62 and 39,802.60

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Solution

The fourth proportional to 71,634.44, 98,855.62 and 39,802.60 is: 54,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,634.44 : 98,855.62 = 39,802.60 : x
  2. Step 2: Convert to fraction form
    71,634.44/98,855.62 = 39,802.60/x
  3. Step 3: Cross multiply
    71,634.44x = 98,855.62 × 39,802.60
  4. Step 4: Simplify right side
    71,634.44x = 3,934,710,700.61
  5. Step 5: Solve for x
    x = 3,934,710,700.61/71,634.44
  6. Step 6: Final answer
    x = 54,927.64

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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.