Home / 40,802.28-61,201.80-11,219.32

Finding the Fourth Proportional to 40,802.28, 61,201.80 and 11,219.32

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Solution

The fourth proportional to 40,802.28, 61,201.80 and 11,219.32 is: 16,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802.28 : 61,201.80 = 11,219.32 : x
  2. Step 2: Convert to fraction form
    40,802.28/61,201.80 = 11,219.32/x
  3. Step 3: Cross multiply
    40,802.28x = 61,201.80 × 11,219.32
  4. Step 4: Simplify right side
    40,802.28x = 686,642,578.78
  5. Step 5: Solve for x
    x = 686,642,578.78/40,802.28
  6. Step 6: Final answer
    x = 16,828.53

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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.