Home / 43,126.68-64,618.14-15,031.24

Finding the Fourth Proportional to 43,126.68, 64,618.14 and 15,031.24

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Solution

The fourth proportional to 43,126.68, 64,618.14 and 15,031.24 is: 22,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.68 : 64,618.14 = 15,031.24 : x
  2. Step 2: Convert to fraction form
    43,126.68/64,618.14 = 15,031.24/x
  3. Step 3: Cross multiply
    43,126.68x = 64,618.14 × 15,031.24
  4. Step 4: Simplify right side
    43,126.68x = 971,290,770.69
  5. Step 5: Solve for x
    x = 971,290,770.69/43,126.68
  6. Step 6: Final answer
    x = 22,521.81

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1.5x scale

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.