Home / 35,395.19-53,045.61-13,186.21

Finding the Fourth Proportional to 35,395.19, 53,045.61 and 13,186.21

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Solution

The fourth proportional to 35,395.19, 53,045.61 and 13,186.21 is: 19,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.19 : 53,045.61 = 13,186.21 : x
  2. Step 2: Convert to fraction form
    35,395.19/53,045.61 = 13,186.21/x
  3. Step 3: Cross multiply
    35,395.19x = 53,045.61 × 13,186.21
  4. Step 4: Simplify right side
    35,395.19x = 699,470,287.81
  5. Step 5: Solve for x
    x = 699,470,287.81/35,395.19
  6. Step 6: Final answer
    x = 19,761.73

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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.