Home / 31,124.66-46,679.87-8,937.86

Finding the Fourth Proportional to 31,124.66, 46,679.87 and 8,937.86

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Solution

The fourth proportional to 31,124.66, 46,679.87 and 8,937.86 is: 13,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.66 : 46,679.87 = 8,937.86 : x
  2. Step 2: Convert to fraction form
    31,124.66/46,679.87 = 8,937.86/x
  3. Step 3: Cross multiply
    31,124.66x = 46,679.87 × 8,937.86
  4. Step 4: Simplify right side
    31,124.66x = 417,217,864.79
  5. Step 5: Solve for x
    x = 417,217,864.79/31,124.66
  6. Step 6: Final answer
    x = 13,404.74

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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.