Home / 31,980.28-44,160.66-20,064.10

Finding the Fourth Proportional to 31,980.28, 44,160.66 and 20,064.10

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Solution

The fourth proportional to 31,980.28, 44,160.66 and 20,064.10 is: 27,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.28 : 44,160.66 = 20,064.10 : x
  2. Step 2: Convert to fraction form
    31,980.28/44,160.66 = 20,064.10/x
  3. Step 3: Cross multiply
    31,980.28x = 44,160.66 × 20,064.10
  4. Step 4: Simplify right side
    31,980.28x = 886,043,898.31
  5. Step 5: Solve for x
    x = 886,043,898.31/31,980.28
  6. Step 6: Final answer
    x = 27,705.95

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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.