Home / 40,384.65-55,730.22-22,479.63

Finding the Fourth Proportional to 40,384.65, 55,730.22 and 22,479.63

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Solution

The fourth proportional to 40,384.65, 55,730.22 and 22,479.63 is: 31,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.65 : 55,730.22 = 22,479.63 : x
  2. Step 2: Convert to fraction form
    40,384.65/55,730.22 = 22,479.63/x
  3. Step 3: Cross multiply
    40,384.65x = 55,730.22 × 22,479.63
  4. Step 4: Simplify right side
    40,384.65x = 1,252,794,725.42
  5. Step 5: Solve for x
    x = 1,252,794,725.42/40,384.65
  6. Step 6: Final answer
    x = 31,021.56

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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.