Home / 31,575.93-47,322.74-12,834.06

Finding the Fourth Proportional to 31,575.93, 47,322.74 and 12,834.06

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Solution

The fourth proportional to 31,575.93, 47,322.74 and 12,834.06 is: 19,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.93 : 47,322.74 = 12,834.06 : x
  2. Step 2: Convert to fraction form
    31,575.93/47,322.74 = 12,834.06/x
  3. Step 3: Cross multiply
    31,575.93x = 47,322.74 × 12,834.06
  4. Step 4: Simplify right side
    31,575.93x = 607,342,820.35
  5. Step 5: Solve for x
    x = 607,342,820.35/31,575.93
  6. Step 6: Final answer
    x = 19,234.36

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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.