Home / 31,727.14-47,587.02-8,355.40

Finding the Fourth Proportional to 31,727.14, 47,587.02 and 8,355.40

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Solution

The fourth proportional to 31,727.14, 47,587.02 and 8,355.40 is: 12,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.14 : 47,587.02 = 8,355.40 : x
  2. Step 2: Convert to fraction form
    31,727.14/47,587.02 = 8,355.40/x
  3. Step 3: Cross multiply
    31,727.14x = 47,587.02 × 8,355.40
  4. Step 4: Simplify right side
    31,727.14x = 397,608,586.91
  5. Step 5: Solve for x
    x = 397,608,586.91/31,727.14
  6. Step 6: Final answer
    x = 12,532.13

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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.