Home / 31,919.59-47,814.67-14,798.42

Finding the Fourth Proportional to 31,919.59, 47,814.67 and 14,798.42

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Solution

The fourth proportional to 31,919.59, 47,814.67 and 14,798.42 is: 22,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.59 : 47,814.67 = 14,798.42 : x
  2. Step 2: Convert to fraction form
    31,919.59/47,814.67 = 14,798.42/x
  3. Step 3: Cross multiply
    31,919.59x = 47,814.67 × 14,798.42
  4. Step 4: Simplify right side
    31,919.59x = 707,581,651.36
  5. Step 5: Solve for x
    x = 707,581,651.36/31,919.59
  6. Step 6: Final answer
    x = 22,167.63

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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.