Home / 31,879.13-47,808.35-10,527.04

Finding the Fourth Proportional to 31,879.13, 47,808.35 and 10,527.04

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Solution

The fourth proportional to 31,879.13, 47,808.35 and 10,527.04 is: 15,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,879.13 : 47,808.35 = 10,527.04 : x
  2. Step 2: Convert to fraction form
    31,879.13/47,808.35 = 10,527.04/x
  3. Step 3: Cross multiply
    31,879.13x = 47,808.35 × 10,527.04
  4. Step 4: Simplify right side
    31,879.13x = 503,280,240.63
  5. Step 5: Solve for x
    x = 503,280,240.63/31,879.13
  6. Step 6: Final answer
    x = 15,787.14

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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.