Home / 36,438.36-54,756.36-19,810.68

Finding the Fourth Proportional to 36,438.36, 54,756.36 and 19,810.68

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Solution

The fourth proportional to 36,438.36, 54,756.36 and 19,810.68 is: 29,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.36 : 54,756.36 = 19,810.68 : x
  2. Step 2: Convert to fraction form
    36,438.36/54,756.36 = 19,810.68/x
  3. Step 3: Cross multiply
    36,438.36x = 54,756.36 × 19,810.68
  4. Step 4: Simplify right side
    36,438.36x = 1,084,760,725.92
  5. Step 5: Solve for x
    x = 1,084,760,725.92/36,438.36
  6. Step 6: Final answer
    x = 29,769.75

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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.