Home / 38,733.21-58,104.45-13,775.81

Finding the Fourth Proportional to 38,733.21, 58,104.45 and 13,775.81

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Solution

The fourth proportional to 38,733.21, 58,104.45 and 13,775.81 is: 20,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,733.21 : 58,104.45 = 13,775.81 : x
  2. Step 2: Convert to fraction form
    38,733.21/58,104.45 = 13,775.81/x
  3. Step 3: Cross multiply
    38,733.21x = 58,104.45 × 13,775.81
  4. Step 4: Simplify right side
    38,733.21x = 800,435,572.83
  5. Step 5: Solve for x
    x = 800,435,572.83/38,733.21
  6. Step 6: Final answer
    x = 20,665.36

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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.