Home / 47,551.32-71,349.12-21,273.84

Finding the Fourth Proportional to 47,551.32, 71,349.12 and 21,273.84

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Solution

The fourth proportional to 47,551.32, 71,349.12 and 21,273.84 is: 31,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,551.32 : 71,349.12 = 21,273.84 : x
  2. Step 2: Convert to fraction form
    47,551.32/71,349.12 = 21,273.84/x
  3. Step 3: Cross multiply
    47,551.32x = 71,349.12 × 21,273.84
  4. Step 4: Simplify right side
    47,551.32x = 1,517,869,763.02
  5. Step 5: Solve for x
    x = 1,517,869,763.02/47,551.32
  6. Step 6: Final answer
    x = 31,920.67

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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.