Home / 41,000.49-61,502.36-11,420.91

Finding the Fourth Proportional to 41,000.49, 61,502.36 and 11,420.91

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Solution

The fourth proportional to 41,000.49, 61,502.36 and 11,420.91 is: 17,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,000.49 : 61,502.36 = 11,420.91 : x
  2. Step 2: Convert to fraction form
    41,000.49/61,502.36 = 11,420.91/x
  3. Step 3: Cross multiply
    41,000.49x = 61,502.36 × 11,420.91
  4. Step 4: Simplify right side
    41,000.49x = 702,412,861.24
  5. Step 5: Solve for x
    x = 702,412,861.24/41,000.49
  6. Step 6: Final answer
    x = 17,131.82

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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.