Home / 36,505.40-54,779.70-26,619.80

Finding the Fourth Proportional to 36,505.40, 54,779.70 and 26,619.80

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Solution

The fourth proportional to 36,505.40, 54,779.70 and 26,619.80 is: 39,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.40 : 54,779.70 = 26,619.80 : x
  2. Step 2: Convert to fraction form
    36,505.40/54,779.70 = 26,619.80/x
  3. Step 3: Cross multiply
    36,505.40x = 54,779.70 × 26,619.80
  4. Step 4: Simplify right side
    36,505.40x = 1,458,224,658.06
  5. Step 5: Solve for x
    x = 1,458,224,658.06/36,505.40
  6. Step 6: Final answer
    x = 39,945.45

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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.