Home / 38,845.48-58,273.44-12,543.88

Finding the Fourth Proportional to 38,845.48, 58,273.44 and 12,543.88

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Solution

The fourth proportional to 38,845.48, 58,273.44 and 12,543.88 is: 18,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.48 : 58,273.44 = 12,543.88 : x
  2. Step 2: Convert to fraction form
    38,845.48/58,273.44 = 12,543.88/x
  3. Step 3: Cross multiply
    38,845.48x = 58,273.44 × 12,543.88
  4. Step 4: Simplify right side
    38,845.48x = 730,975,038.55
  5. Step 5: Solve for x
    x = 730,975,038.55/38,845.48
  6. Step 6: Final answer
    x = 18,817.51

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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.