Home / 31,271.65-43,154.43-17,124.49

Finding the Fourth Proportional to 31,271.65, 43,154.43 and 17,124.49

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Solution

The fourth proportional to 31,271.65, 43,154.43 and 17,124.49 is: 23,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.65 : 43,154.43 = 17,124.49 : x
  2. Step 2: Convert to fraction form
    31,271.65/43,154.43 = 17,124.49/x
  3. Step 3: Cross multiply
    31,271.65x = 43,154.43 × 17,124.49
  4. Step 4: Simplify right side
    31,271.65x = 738,997,604.99
  5. Step 5: Solve for x
    x = 738,997,604.99/31,271.65
  6. Step 6: Final answer
    x = 23,631.55

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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.