Home / 47,711.81-71,567.72-14,879.81

Finding the Fourth Proportional to 47,711.81, 71,567.72 and 14,879.81

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Solution

The fourth proportional to 47,711.81, 71,567.72 and 14,879.81 is: 22,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.81 : 71,567.72 = 14,879.81 : x
  2. Step 2: Convert to fraction form
    47,711.81/71,567.72 = 14,879.81/x
  3. Step 3: Cross multiply
    47,711.81x = 71,567.72 × 14,879.81
  4. Step 4: Simplify right side
    47,711.81x = 1,064,914,291.85
  5. Step 5: Solve for x
    x = 1,064,914,291.85/47,711.81
  6. Step 6: Final answer
    x = 22,319.72

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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.