Home / 31,507.91-43,480.92-17,360.63

Finding the Fourth Proportional to 31,507.91, 43,480.92 and 17,360.63

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Solution

The fourth proportional to 31,507.91, 43,480.92 and 17,360.63 is: 23,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.91 : 43,480.92 = 17,360.63 : x
  2. Step 2: Convert to fraction form
    31,507.91/43,480.92 = 17,360.63/x
  3. Step 3: Cross multiply
    31,507.91x = 43,480.92 × 17,360.63
  4. Step 4: Simplify right side
    31,507.91x = 754,855,946.78
  5. Step 5: Solve for x
    x = 754,855,946.78/31,507.91
  6. Step 6: Final answer
    x = 23,957.67

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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.