Home / 31,780.23-47,670.69-9,593.79

Finding the Fourth Proportional to 31,780.23, 47,670.69 and 9,593.79

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Solution

The fourth proportional to 31,780.23, 47,670.69 and 9,593.79 is: 14,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.23 : 47,670.69 = 9,593.79 : x
  2. Step 2: Convert to fraction form
    31,780.23/47,670.69 = 9,593.79/x
  3. Step 3: Cross multiply
    31,780.23x = 47,670.69 × 9,593.79
  4. Step 4: Simplify right side
    31,780.23x = 457,342,589.02
  5. Step 5: Solve for x
    x = 457,342,589.02/31,780.23
  6. Step 6: Final answer
    x = 14,390.79

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1.5x scale

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.