Home / 20,731.46-31,088.04-5,937.02

Finding the Fourth Proportional to 20,731.46, 31,088.04 and 5,937.02

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Solution

The fourth proportional to 20,731.46, 31,088.04 and 5,937.02 is: 8,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731.46 : 31,088.04 = 5,937.02 : x
  2. Step 2: Convert to fraction form
    20,731.46/31,088.04 = 5,937.02/x
  3. Step 3: Cross multiply
    20,731.46x = 31,088.04 × 5,937.02
  4. Step 4: Simplify right side
    20,731.46x = 184,570,315.24
  5. Step 5: Solve for x
    x = 184,570,315.24/20,731.46
  6. Step 6: Final answer
    x = 8,902.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.