Home / 35,861.10-53,771.40-13,675.20

Finding the Fourth Proportional to 35,861.10, 53,771.40 and 13,675.20

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Solution

The fourth proportional to 35,861.10, 53,771.40 and 13,675.20 is: 20,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.10 : 53,771.40 = 13,675.20 : x
  2. Step 2: Convert to fraction form
    35,861.10/53,771.40 = 13,675.20/x
  3. Step 3: Cross multiply
    35,861.10x = 53,771.40 × 13,675.20
  4. Step 4: Simplify right side
    35,861.10x = 735,334,649.28
  5. Step 5: Solve for x
    x = 735,334,649.28/35,861.10
  6. Step 6: Final answer
    x = 20,505.08

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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.