Home / 40,070.70-55,287.63-25,906.50

Finding the Fourth Proportional to 40,070.70, 55,287.63 and 25,906.50

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Solution

The fourth proportional to 40,070.70, 55,287.63 and 25,906.50 is: 35,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.70 : 55,287.63 = 25,906.50 : x
  2. Step 2: Convert to fraction form
    40,070.70/55,287.63 = 25,906.50/x
  3. Step 3: Cross multiply
    40,070.70x = 55,287.63 × 25,906.50
  4. Step 4: Simplify right side
    40,070.70x = 1,432,308,986.60
  5. Step 5: Solve for x
    x = 1,432,308,986.60/40,070.70
  6. Step 6: Final answer
    x = 35,744.55

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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.