Home / 38,723.72-58,096.58-12,430.58

Finding the Fourth Proportional to 38,723.72, 58,096.58 and 12,430.58

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Solution

The fourth proportional to 38,723.72, 58,096.58 and 12,430.58 is: 18,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.72 : 58,096.58 = 12,430.58 : x
  2. Step 2: Convert to fraction form
    38,723.72/58,096.58 = 12,430.58/x
  3. Step 3: Cross multiply
    38,723.72x = 58,096.58 × 12,430.58
  4. Step 4: Simplify right side
    38,723.72x = 722,173,832.78
  5. Step 5: Solve for x
    x = 722,173,832.78/38,723.72
  6. Step 6: Final answer
    x = 18,649.39

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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.