Home / 47,056.86-70,587.72-20,761.83

Finding the Fourth Proportional to 47,056.86, 70,587.72 and 20,761.83

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Solution

The fourth proportional to 47,056.86, 70,587.72 and 20,761.83 is: 31,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,056.86 : 70,587.72 = 20,761.83 : x
  2. Step 2: Convert to fraction form
    47,056.86/70,587.72 = 20,761.83/x
  3. Step 3: Cross multiply
    47,056.86x = 70,587.72 × 20,761.83
  4. Step 4: Simplify right side
    47,056.86x = 1,465,530,242.73
  5. Step 5: Solve for x
    x = 1,465,530,242.73/47,056.86
  6. Step 6: Final answer
    x = 31,143.82

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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.