Home / 31,492.67-47,212.20-13,952.93

Finding the Fourth Proportional to 31,492.67, 47,212.20 and 13,952.93

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Solution

The fourth proportional to 31,492.67, 47,212.20 and 13,952.93 is: 20,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.67 : 47,212.20 = 13,952.93 : x
  2. Step 2: Convert to fraction form
    31,492.67/47,212.20 = 13,952.93/x
  3. Step 3: Cross multiply
    31,492.67x = 47,212.20 × 13,952.93
  4. Step 4: Simplify right side
    31,492.67x = 658,748,285.69
  5. Step 5: Solve for x
    x = 658,748,285.69/31,492.67
  6. Step 6: Final answer
    x = 20,917.51

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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.