Home / 31,911.57-44,038.76-17,764.65

Finding the Fourth Proportional to 31,911.57, 44,038.76 and 17,764.65

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Solution

The fourth proportional to 31,911.57, 44,038.76 and 17,764.65 is: 24,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.57 : 44,038.76 = 17,764.65 : x
  2. Step 2: Convert to fraction form
    31,911.57/44,038.76 = 17,764.65/x
  3. Step 3: Cross multiply
    31,911.57x = 44,038.76 × 17,764.65
  4. Step 4: Simplify right side
    31,911.57x = 782,333,069.01
  5. Step 5: Solve for x
    x = 782,333,069.01/31,911.57
  6. Step 6: Final answer
    x = 24,515.66

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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.