Home / 47,619.76-71,429.76-14,339.92

Finding the Fourth Proportional to 47,619.76, 71,429.76 and 14,339.92

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Solution

The fourth proportional to 47,619.76, 71,429.76 and 14,339.92 is: 21,509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.76 : 71,429.76 = 14,339.92 : x
  2. Step 2: Convert to fraction form
    47,619.76/71,429.76 = 14,339.92/x
  3. Step 3: Cross multiply
    47,619.76x = 71,429.76 × 14,339.92
  4. Step 4: Simplify right side
    47,619.76x = 1,024,297,044.02
  5. Step 5: Solve for x
    x = 1,024,297,044.02/47,619.76
  6. Step 6: Final answer
    x = 21,509.92

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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.