Home / 36,889.93-55,315.68-13,188.34

Finding the Fourth Proportional to 36,889.93, 55,315.68 and 13,188.34

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Solution

The fourth proportional to 36,889.93, 55,315.68 and 13,188.34 is: 19,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889.93 : 55,315.68 = 13,188.34 : x
  2. Step 2: Convert to fraction form
    36,889.93/55,315.68 = 13,188.34/x
  3. Step 3: Cross multiply
    36,889.93x = 55,315.68 × 13,188.34
  4. Step 4: Simplify right side
    36,889.93x = 729,521,995.17
  5. Step 5: Solve for x
    x = 729,521,995.17/36,889.93
  6. Step 6: Final answer
    x = 19,775.64

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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.