Home / 38,917.48-58,384.42-12,620.18

Finding the Fourth Proportional to 38,917.48, 58,384.42 and 12,620.18

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Solution

The fourth proportional to 38,917.48, 58,384.42 and 12,620.18 is: 18,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.48 : 58,384.42 = 12,620.18 : x
  2. Step 2: Convert to fraction form
    38,917.48/58,384.42 = 12,620.18/x
  3. Step 3: Cross multiply
    38,917.48x = 58,384.42 × 12,620.18
  4. Step 4: Simplify right side
    38,917.48x = 736,821,889.60
  5. Step 5: Solve for x
    x = 736,821,889.60/38,917.48
  6. Step 6: Final answer
    x = 18,932.93

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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.