Home / 38,814.48-58,229.16-12,512.16

Finding the Fourth Proportional to 38,814.48, 58,229.16 and 12,512.16

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Solution

The fourth proportional to 38,814.48, 58,229.16 and 12,512.16 is: 18,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,814.48 : 58,229.16 = 12,512.16 : x
  2. Step 2: Convert to fraction form
    38,814.48/58,229.16 = 12,512.16/x
  3. Step 3: Cross multiply
    38,814.48x = 58,229.16 × 12,512.16
  4. Step 4: Simplify right side
    38,814.48x = 728,572,566.59
  5. Step 5: Solve for x
    x = 728,572,566.59/38,814.48
  6. Step 6: Final answer
    x = 18,770.64

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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.