Home / 31,752.64-43,838.45-20,441.73

Finding the Fourth Proportional to 31,752.64, 43,838.45 and 20,441.73

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Solution

The fourth proportional to 31,752.64, 43,838.45 and 20,441.73 is: 28,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.64 : 43,838.45 = 20,441.73 : x
  2. Step 2: Convert to fraction form
    31,752.64/43,838.45 = 20,441.73/x
  3. Step 3: Cross multiply
    31,752.64x = 43,838.45 × 20,441.73
  4. Step 4: Simplify right side
    31,752.64x = 896,133,897.36
  5. Step 5: Solve for x
    x = 896,133,897.36/31,752.64
  6. Step 6: Final answer
    x = 28,222.34

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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.