Home / 38,211.28-52,731.27-20,983.46

Finding the Fourth Proportional to 38,211.28, 52,731.27 and 20,983.46

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Solution

The fourth proportional to 38,211.28, 52,731.27 and 20,983.46 is: 28,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.28 : 52,731.27 = 20,983.46 : x
  2. Step 2: Convert to fraction form
    38,211.28/52,731.27 = 20,983.46/x
  3. Step 3: Cross multiply
    38,211.28x = 52,731.27 × 20,983.46
  4. Step 4: Simplify right side
    38,211.28x = 1,106,484,231.14
  5. Step 5: Solve for x
    x = 1,106,484,231.14/38,211.28
  6. Step 6: Final answer
    x = 28,957.01

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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.