Home / 31,924.20-47,870.28-18,601.50

Finding the Fourth Proportional to 31,924.20, 47,870.28 and 18,601.50

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Solution

The fourth proportional to 31,924.20, 47,870.28 and 18,601.50 is: 27,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,924.20 : 47,870.28 = 18,601.50 : x
  2. Step 2: Convert to fraction form
    31,924.20/47,870.28 = 18,601.50/x
  3. Step 3: Cross multiply
    31,924.20x = 47,870.28 × 18,601.50
  4. Step 4: Simplify right side
    31,924.20x = 890,459,013.42
  5. Step 5: Solve for x
    x = 890,459,013.42/31,924.20
  6. Step 6: Final answer
    x = 27,892.92

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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.