Home / 47,982.34-71,981.71-16,390.67

Finding the Fourth Proportional to 47,982.34, 71,981.71 and 16,390.67

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Solution

The fourth proportional to 47,982.34, 71,981.71 and 16,390.67 is: 24,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.34 : 71,981.71 = 16,390.67 : x
  2. Step 2: Convert to fraction form
    47,982.34/71,981.71 = 16,390.67/x
  3. Step 3: Cross multiply
    47,982.34x = 71,981.71 × 16,390.67
  4. Step 4: Simplify right side
    47,982.34x = 1,179,828,454.65
  5. Step 5: Solve for x
    x = 1,179,828,454.65/47,982.34
  6. Step 6: Final answer
    x = 24,588.81

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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.