Home / 47,931.71-71,897.75-14,651.65

Finding the Fourth Proportional to 47,931.71, 71,897.75 and 14,651.65

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Solution

The fourth proportional to 47,931.71, 71,897.75 and 14,651.65 is: 21,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931.71 : 71,897.75 = 14,651.65 : x
  2. Step 2: Convert to fraction form
    47,931.71/71,897.75 = 14,651.65/x
  3. Step 3: Cross multiply
    47,931.71x = 71,897.75 × 14,651.65
  4. Step 4: Simplify right side
    47,931.71x = 1,053,420,309.30
  5. Step 5: Solve for x
    x = 1,053,420,309.30/47,931.71
  6. Step 6: Final answer
    x = 21,977.52

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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.