Home / 32,838.72-45,319.73-18,691.56

Finding the Fourth Proportional to 32,838.72, 45,319.73 and 18,691.56

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Solution

The fourth proportional to 32,838.72, 45,319.73 and 18,691.56 is: 25,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.72 : 45,319.73 = 18,691.56 : x
  2. Step 2: Convert to fraction form
    32,838.72/45,319.73 = 18,691.56/x
  3. Step 3: Cross multiply
    32,838.72x = 45,319.73 × 18,691.56
  4. Step 4: Simplify right side
    32,838.72x = 847,096,359.02
  5. Step 5: Solve for x
    x = 847,096,359.02/32,838.72
  6. Step 6: Final answer
    x = 25,795.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.