Home / 38,404.34-57,606.50-12,111.74

Finding the Fourth Proportional to 38,404.34, 57,606.50 and 12,111.74

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Solution

The fourth proportional to 38,404.34, 57,606.50 and 12,111.74 is: 18,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.34 : 57,606.50 = 12,111.74 : x
  2. Step 2: Convert to fraction form
    38,404.34/57,606.50 = 12,111.74/x
  3. Step 3: Cross multiply
    38,404.34x = 57,606.50 × 12,111.74
  4. Step 4: Simplify right side
    38,404.34x = 697,714,662.28
  5. Step 5: Solve for x
    x = 697,714,662.28/38,404.34
  6. Step 6: Final answer
    x = 18,167.60

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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.