Home / 31,590.96-47,387.28-14,958.78

Finding the Fourth Proportional to 31,590.96, 47,387.28 and 14,958.78

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Solution

The fourth proportional to 31,590.96, 47,387.28 and 14,958.78 is: 22,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.96 : 47,387.28 = 14,958.78 : x
  2. Step 2: Convert to fraction form
    31,590.96/47,387.28 = 14,958.78/x
  3. Step 3: Cross multiply
    31,590.96x = 47,387.28 × 14,958.78
  4. Step 4: Simplify right side
    31,590.96x = 708,855,896.32
  5. Step 5: Solve for x
    x = 708,855,896.32/31,590.96
  6. Step 6: Final answer
    x = 22,438.57

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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.