Home / 40,384.81-55,730.26-22,479.66

Finding the Fourth Proportional to 40,384.81, 55,730.26 and 22,479.66

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Solution

The fourth proportional to 40,384.81, 55,730.26 and 22,479.66 is: 31,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.81 : 55,730.26 = 22,479.66 : x
  2. Step 2: Convert to fraction form
    40,384.81/55,730.26 = 22,479.66/x
  3. Step 3: Cross multiply
    40,384.81x = 55,730.26 × 22,479.66
  4. Step 4: Simplify right side
    40,384.81x = 1,252,797,324.61
  5. Step 5: Solve for x
    x = 1,252,797,324.61/40,384.81
  6. Step 6: Final answer
    x = 31,021.50

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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.