Home / 40,384.73-55,730.40-22,479.77

Finding the Fourth Proportional to 40,384.73, 55,730.40 and 22,479.77

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Solution

The fourth proportional to 40,384.73, 55,730.40 and 22,479.77 is: 31,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.73 : 55,730.40 = 22,479.77 : x
  2. Step 2: Convert to fraction form
    40,384.73/55,730.40 = 22,479.77/x
  3. Step 3: Cross multiply
    40,384.73x = 55,730.40 × 22,479.77
  4. Step 4: Simplify right side
    40,384.73x = 1,252,806,574.01
  5. Step 5: Solve for x
    x = 1,252,806,574.01/40,384.73
  6. Step 6: Final answer
    x = 31,021.79

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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.