Home / 34,731.42-47,929.38-18,815.93

Finding the Fourth Proportional to 34,731.42, 47,929.38 and 18,815.93

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Solution

The fourth proportional to 34,731.42, 47,929.38 and 18,815.93 is: 25,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.42 : 47,929.38 = 18,815.93 : x
  2. Step 2: Convert to fraction form
    34,731.42/47,929.38 = 18,815.93/x
  3. Step 3: Cross multiply
    34,731.42x = 47,929.38 × 18,815.93
  4. Step 4: Simplify right side
    34,731.42x = 901,835,859.02
  5. Step 5: Solve for x
    x = 901,835,859.02/34,731.42
  6. Step 6: Final answer
    x = 25,965.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.