Home / 40,420.03-60,636.80-18,232.92

Finding the Fourth Proportional to 40,420.03, 60,636.80 and 18,232.92

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Solution

The fourth proportional to 40,420.03, 60,636.80 and 18,232.92 is: 27,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.03 : 60,636.80 = 18,232.92 : x
  2. Step 2: Convert to fraction form
    40,420.03/60,636.80 = 18,232.92/x
  3. Step 3: Cross multiply
    40,420.03x = 60,636.80 × 18,232.92
  4. Step 4: Simplify right side
    40,420.03x = 1,105,585,923.46
  5. Step 5: Solve for x
    x = 1,105,585,923.46/40,420.03
  6. Step 6: Final answer
    x = 27,352.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.