Home / 35,606.96-53,420.20-12,235.28

Finding the Fourth Proportional to 35,606.96, 53,420.20 and 12,235.28

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Solution

The fourth proportional to 35,606.96, 53,420.20 and 12,235.28 is: 18,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606.96 : 53,420.20 = 12,235.28 : x
  2. Step 2: Convert to fraction form
    35,606.96/53,420.20 = 12,235.28/x
  3. Step 3: Cross multiply
    35,606.96x = 53,420.20 × 12,235.28
  4. Step 4: Simplify right side
    35,606.96x = 653,611,104.66
  5. Step 5: Solve for x
    x = 653,611,104.66/35,606.96
  6. Step 6: Final answer
    x = 18,356.27

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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.