Home / 38,708.21-58,048.37-13,400.85

Finding the Fourth Proportional to 38,708.21, 58,048.37 and 13,400.85

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Solution

The fourth proportional to 38,708.21, 58,048.37 and 13,400.85 is: 20,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,708.21 : 58,048.37 = 13,400.85 : x
  2. Step 2: Convert to fraction form
    38,708.21/58,048.37 = 13,400.85/x
  3. Step 3: Cross multiply
    38,708.21x = 58,048.37 × 13,400.85
  4. Step 4: Simplify right side
    38,708.21x = 777,897,532.62
  5. Step 5: Solve for x
    x = 777,897,532.62/38,708.21
  6. Step 6: Final answer
    x = 20,096.45

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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.