Home / 40,384.99-55,728.74-22,479.54

Finding the Fourth Proportional to 40,384.99, 55,728.74 and 22,479.54

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Solution

The fourth proportional to 40,384.99, 55,728.74 and 22,479.54 is: 31,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.99 : 55,728.74 = 22,479.54 : x
  2. Step 2: Convert to fraction form
    40,384.99/55,728.74 = 22,479.54/x
  3. Step 3: Cross multiply
    40,384.99x = 55,728.74 × 22,479.54
  4. Step 4: Simplify right side
    40,384.99x = 1,252,756,287.20
  5. Step 5: Solve for x
    x = 1,252,756,287.20/40,384.99
  6. Step 6: Final answer
    x = 31,020.34

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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.