Home / 36,386.64-54,478.73-18,578.84

Finding the Fourth Proportional to 36,386.64, 54,478.73 and 18,578.84

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Solution

The fourth proportional to 36,386.64, 54,478.73 and 18,578.84 is: 27,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.64 : 54,478.73 = 18,578.84 : x
  2. Step 2: Convert to fraction form
    36,386.64/54,478.73 = 18,578.84/x
  3. Step 3: Cross multiply
    36,386.64x = 54,478.73 × 18,578.84
  4. Step 4: Simplify right side
    36,386.64x = 1,012,151,382.13
  5. Step 5: Solve for x
    x = 1,012,151,382.13/36,386.64
  6. Step 6: Final answer
    x = 27,816.57

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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.