Home / 36,353.70-54,530.69-19,721.57

Finding the Fourth Proportional to 36,353.70, 54,530.69 and 19,721.57

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Solution

The fourth proportional to 36,353.70, 54,530.69 and 19,721.57 is: 29,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353.70 : 54,530.69 = 19,721.57 : x
  2. Step 2: Convert to fraction form
    36,353.70/54,530.69 = 19,721.57/x
  3. Step 3: Cross multiply
    36,353.70x = 54,530.69 × 19,721.57
  4. Step 4: Simplify right side
    36,353.70x = 1,075,430,448.72
  5. Step 5: Solve for x
    x = 1,075,430,448.72/36,353.70
  6. Step 6: Final answer
    x = 29,582.42

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1.5x scale

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.