Home / 35,631.77-53,455.29-13,142.53

Finding the Fourth Proportional to 35,631.77, 53,455.29 and 13,142.53

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Solution

The fourth proportional to 35,631.77, 53,455.29 and 13,142.53 is: 19,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.77 : 53,455.29 = 13,142.53 : x
  2. Step 2: Convert to fraction form
    35,631.77/53,455.29 = 13,142.53/x
  3. Step 3: Cross multiply
    35,631.77x = 53,455.29 × 13,142.53
  4. Step 4: Simplify right side
    35,631.77x = 702,537,485.21
  5. Step 5: Solve for x
    x = 702,537,485.21/35,631.77
  6. Step 6: Final answer
    x = 19,716.60

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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.