Home / 35,511.89-53,254.00-13,313.16

Finding the Fourth Proportional to 35,511.89, 53,254.00 and 13,313.16

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Solution

The fourth proportional to 35,511.89, 53,254.00 and 13,313.16 is: 19,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511.89 : 53,254.00 = 13,313.16 : x
  2. Step 2: Convert to fraction form
    35,511.89/53,254.00 = 13,313.16/x
  3. Step 3: Cross multiply
    35,511.89x = 53,254.00 × 13,313.16
  4. Step 4: Simplify right side
    35,511.89x = 708,978,989.36
  5. Step 5: Solve for x
    x = 708,978,989.36/35,511.89
  6. Step 6: Final answer
    x = 19,964.55

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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.