Home / 51,538.36-71,134.20-30,031.65

Finding the Fourth Proportional to 51,538.36, 71,134.20 and 30,031.65

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Solution

The fourth proportional to 51,538.36, 71,134.20 and 30,031.65 is: 41,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.36 : 71,134.20 = 30,031.65 : x
  2. Step 2: Convert to fraction form
    51,538.36/71,134.20 = 30,031.65/x
  3. Step 3: Cross multiply
    51,538.36x = 71,134.20 × 30,031.65
  4. Step 4: Simplify right side
    51,538.36x = 2,136,277,397.43
  5. Step 5: Solve for x
    x = 2,136,277,397.43/51,538.36
  6. Step 6: Final answer
    x = 41,450.24

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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.