Home / 31,921.59-47,817.67-14,800.42

Finding the Fourth Proportional to 31,921.59, 47,817.67 and 14,800.42

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Solution

The fourth proportional to 31,921.59, 47,817.67 and 14,800.42 is: 22,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.59 : 47,817.67 = 14,800.42 : x
  2. Step 2: Convert to fraction form
    31,921.59/47,817.67 = 14,800.42/x
  3. Step 3: Cross multiply
    31,921.59x = 47,817.67 × 14,800.42
  4. Step 4: Simplify right side
    31,921.59x = 707,721,599.42
  5. Step 5: Solve for x
    x = 707,721,599.42/31,921.59
  6. Step 6: Final answer
    x = 22,170.62

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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.