Home / 31,493.67-47,213.70-13,953.93

Finding the Fourth Proportional to 31,493.67, 47,213.70 and 13,953.93

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Solution

The fourth proportional to 31,493.67, 47,213.70 and 13,953.93 is: 20,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.67 : 47,213.70 = 13,953.93 : x
  2. Step 2: Convert to fraction form
    31,493.67/47,213.70 = 13,953.93/x
  3. Step 3: Cross multiply
    31,493.67x = 47,213.70 × 13,953.93
  4. Step 4: Simplify right side
    31,493.67x = 658,816,664.84
  5. Step 5: Solve for x
    x = 658,816,664.84/31,493.67
  6. Step 6: Final answer
    x = 20,919.02

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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.