Home / 36,679.42-55,019.13-10,384.30

Finding the Fourth Proportional to 36,679.42, 55,019.13 and 10,384.30

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Solution

The fourth proportional to 36,679.42, 55,019.13 and 10,384.30 is: 15,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.42 : 55,019.13 = 10,384.30 : x
  2. Step 2: Convert to fraction form
    36,679.42/55,019.13 = 10,384.30/x
  3. Step 3: Cross multiply
    36,679.42x = 55,019.13 × 10,384.30
  4. Step 4: Simplify right side
    36,679.42x = 571,335,151.66
  5. Step 5: Solve for x
    x = 571,335,151.66/36,679.42
  6. Step 6: Final answer
    x = 15,576.45

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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.