Home / 40,332.99-60,502.29-12,255.30

Finding the Fourth Proportional to 40,332.99, 60,502.29 and 12,255.30

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Solution

The fourth proportional to 40,332.99, 60,502.29 and 12,255.30 is: 18,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332.99 : 60,502.29 = 12,255.30 : x
  2. Step 2: Convert to fraction form
    40,332.99/60,502.29 = 12,255.30/x
  3. Step 3: Cross multiply
    40,332.99x = 60,502.29 × 12,255.30
  4. Step 4: Simplify right side
    40,332.99x = 741,473,737.62
  5. Step 5: Solve for x
    x = 741,473,737.62/40,332.99
  6. Step 6: Final answer
    x = 18,383.80

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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.