Home / 38,738.40-58,088.39-13,774.69

Finding the Fourth Proportional to 38,738.40, 58,088.39 and 13,774.69

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Solution

The fourth proportional to 38,738.40, 58,088.39 and 13,774.69 is: 20,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,738.40 : 58,088.39 = 13,774.69 : x
  2. Step 2: Convert to fraction form
    38,738.40/58,088.39 = 13,774.69/x
  3. Step 3: Cross multiply
    38,738.40x = 58,088.39 × 13,774.69
  4. Step 4: Simplify right side
    38,738.40x = 800,149,564.85
  5. Step 5: Solve for x
    x = 800,149,564.85/38,738.40
  6. Step 6: Final answer
    x = 20,655.20

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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.