Home / 36,920.53-55,397.01-19,386.28

Finding the Fourth Proportional to 36,920.53, 55,397.01 and 19,386.28

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Solution

The fourth proportional to 36,920.53, 55,397.01 and 19,386.28 is: 29,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.53 : 55,397.01 = 19,386.28 : x
  2. Step 2: Convert to fraction form
    36,920.53/55,397.01 = 19,386.28/x
  3. Step 3: Cross multiply
    36,920.53x = 55,397.01 × 19,386.28
  4. Step 4: Simplify right side
    36,920.53x = 1,073,941,947.02
  5. Step 5: Solve for x
    x = 1,073,941,947.02/36,920.53
  6. Step 6: Final answer
    x = 29,087.93

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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.