Home / 40,816.36-61,224.54-13,116.52

Finding the Fourth Proportional to 40,816.36, 61,224.54 and 13,116.52

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Solution

The fourth proportional to 40,816.36, 61,224.54 and 13,116.52 is: 19,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.36 : 61,224.54 = 13,116.52 : x
  2. Step 2: Convert to fraction form
    40,816.36/61,224.54 = 13,116.52/x
  3. Step 3: Cross multiply
    40,816.36x = 61,224.54 × 13,116.52
  4. Step 4: Simplify right side
    40,816.36x = 803,052,903.40
  5. Step 5: Solve for x
    x = 803,052,903.40/40,816.36
  6. Step 6: Final answer
    x = 19,674.78

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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.