Home / 41,057.48-61,580.91-12,980.39

Finding the Fourth Proportional to 41,057.48, 61,580.91 and 12,980.39

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Solution

The fourth proportional to 41,057.48, 61,580.91 and 12,980.39 is: 19,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,057.48 : 61,580.91 = 12,980.39 : x
  2. Step 2: Convert to fraction form
    41,057.48/61,580.91 = 12,980.39/x
  3. Step 3: Cross multiply
    41,057.48x = 61,580.91 × 12,980.39
  4. Step 4: Simplify right side
    41,057.48x = 799,343,969.13
  5. Step 5: Solve for x
    x = 799,343,969.13/41,057.48
  6. Step 6: Final answer
    x = 19,468.90

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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.