Home / 40,384.83-55,730.47-22,479.81

Finding the Fourth Proportional to 40,384.83, 55,730.47 and 22,479.81

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Solution

The fourth proportional to 40,384.83, 55,730.47 and 22,479.81 is: 31,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.83 : 55,730.47 = 22,479.81 : x
  2. Step 2: Convert to fraction form
    40,384.83/55,730.47 = 22,479.81/x
  3. Step 3: Cross multiply
    40,384.83x = 55,730.47 × 22,479.81
  4. Step 4: Simplify right side
    40,384.83x = 1,252,810,376.81
  5. Step 5: Solve for x
    x = 1,252,810,376.81/40,384.83
  6. Step 6: Final answer
    x = 31,021.81

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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.