Home / 40,242.59-55,550.48-30,200.14

Finding the Fourth Proportional to 40,242.59, 55,550.48 and 30,200.14

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Solution

The fourth proportional to 40,242.59, 55,550.48 and 30,200.14 is: 41,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.59 : 55,550.48 = 30,200.14 : x
  2. Step 2: Convert to fraction form
    40,242.59/55,550.48 = 30,200.14/x
  3. Step 3: Cross multiply
    40,242.59x = 55,550.48 × 30,200.14
  4. Step 4: Simplify right side
    40,242.59x = 1,677,632,191.50
  5. Step 5: Solve for x
    x = 1,677,632,191.50/40,242.59
  6. Step 6: Final answer
    x = 41,687.98

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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.