Home / 37,741.30-56,612.04-12,781.60

Finding the Fourth Proportional to 37,741.30, 56,612.04 and 12,781.60

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Solution

The fourth proportional to 37,741.30, 56,612.04 and 12,781.60 is: 19,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,741.30 : 56,612.04 = 12,781.60 : x
  2. Step 2: Convert to fraction form
    37,741.30/56,612.04 = 12,781.60/x
  3. Step 3: Cross multiply
    37,741.30x = 56,612.04 × 12,781.60
  4. Step 4: Simplify right side
    37,741.30x = 723,592,450.46
  5. Step 5: Solve for x
    x = 723,592,450.46/37,741.30
  6. Step 6: Final answer
    x = 19,172.43

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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.