Home / 34,740.38-47,930.58-21,304.91

Finding the Fourth Proportional to 34,740.38, 47,930.58 and 21,304.91

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Solution

The fourth proportional to 34,740.38, 47,930.58 and 21,304.91 is: 29,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,740.38 : 47,930.58 = 21,304.91 : x
  2. Step 2: Convert to fraction form
    34,740.38/47,930.58 = 21,304.91/x
  3. Step 3: Cross multiply
    34,740.38x = 47,930.58 × 21,304.91
  4. Step 4: Simplify right side
    34,740.38x = 1,021,156,453.49
  5. Step 5: Solve for x
    x = 1,021,156,453.49/34,740.38
  6. Step 6: Final answer
    x = 29,393.94

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1.5x scale

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.