Home / 34,740.08-47,930.24-21,304.88

Finding the Fourth Proportional to 34,740.08, 47,930.24 and 21,304.88

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Solution

The fourth proportional to 34,740.08, 47,930.24 and 21,304.88 is: 29,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,740.08 : 47,930.24 = 21,304.88 : x
  2. Step 2: Convert to fraction form
    34,740.08/47,930.24 = 21,304.88/x
  3. Step 3: Cross multiply
    34,740.08x = 47,930.24 × 21,304.88
  4. Step 4: Simplify right side
    34,740.08x = 1,021,148,011.57
  5. Step 5: Solve for x
    x = 1,021,148,011.57/34,740.08
  6. Step 6: Final answer
    x = 29,393.95

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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.