Home / 40,172.45-55,437.42-22,267.07

Finding the Fourth Proportional to 40,172.45, 55,437.42 and 22,267.07

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Solution

The fourth proportional to 40,172.45, 55,437.42 and 22,267.07 is: 30,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.45 : 55,437.42 = 22,267.07 : x
  2. Step 2: Convert to fraction form
    40,172.45/55,437.42 = 22,267.07/x
  3. Step 3: Cross multiply
    40,172.45x = 55,437.42 × 22,267.07
  4. Step 4: Simplify right side
    40,172.45x = 1,234,428,911.76
  5. Step 5: Solve for x
    x = 1,234,428,911.76/40,172.45
  6. Step 6: Final answer
    x = 30,728.25

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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.