Home / 31,484.08-43,422.20-22,976.64

Finding the Fourth Proportional to 31,484.08, 43,422.20 and 22,976.64

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Solution

The fourth proportional to 31,484.08, 43,422.20 and 22,976.64 is: 31,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.08 : 43,422.20 = 22,976.64 : x
  2. Step 2: Convert to fraction form
    31,484.08/43,422.20 = 22,976.64/x
  3. Step 3: Cross multiply
    31,484.08x = 43,422.20 × 22,976.64
  4. Step 4: Simplify right side
    31,484.08x = 997,696,257.41
  5. Step 5: Solve for x
    x = 997,696,257.41/31,484.08
  6. Step 6: Final answer
    x = 31,688.91

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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.