Home / 31,768.59-47,621.89-15,124.15

Finding the Fourth Proportional to 31,768.59, 47,621.89 and 15,124.15

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Solution

The fourth proportional to 31,768.59, 47,621.89 and 15,124.15 is: 22,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.59 : 47,621.89 = 15,124.15 : x
  2. Step 2: Convert to fraction form
    31,768.59/47,621.89 = 15,124.15/x
  3. Step 3: Cross multiply
    31,768.59x = 47,621.89 × 15,124.15
  4. Step 4: Simplify right side
    31,768.59x = 720,240,293.91
  5. Step 5: Solve for x
    x = 720,240,293.91/31,768.59
  6. Step 6: Final answer
    x = 22,671.46

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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.