Home / 31,573.92-47,319.74-12,832.05

Finding the Fourth Proportional to 31,573.92, 47,319.74 and 12,832.05

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Solution

The fourth proportional to 31,573.92, 47,319.74 and 12,832.05 is: 19,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,573.92 : 47,319.74 = 12,832.05 : x
  2. Step 2: Convert to fraction form
    31,573.92/47,319.74 = 12,832.05/x
  3. Step 3: Cross multiply
    31,573.92x = 47,319.74 × 12,832.05
  4. Step 4: Simplify right side
    31,573.92x = 607,209,269.67
  5. Step 5: Solve for x
    x = 607,209,269.67/31,573.92
  6. Step 6: Final answer
    x = 19,231.36

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1.5x scale

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.