Home / 35,387.09-53,101.80-13,216.04

Finding the Fourth Proportional to 35,387.09, 53,101.80 and 13,216.04

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Solution

The fourth proportional to 35,387.09, 53,101.80 and 13,216.04 is: 19,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.09 : 53,101.80 = 13,216.04 : x
  2. Step 2: Convert to fraction form
    35,387.09/53,101.80 = 13,216.04/x
  3. Step 3: Cross multiply
    35,387.09x = 53,101.80 × 13,216.04
  4. Step 4: Simplify right side
    35,387.09x = 701,795,247.36
  5. Step 5: Solve for x
    x = 701,795,247.36/35,387.09
  6. Step 6: Final answer
    x = 19,831.96

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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.