Home / 36,045.88-53,993.48-28,987.79

Finding the Fourth Proportional to 36,045.88, 53,993.48 and 28,987.79

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Solution

The fourth proportional to 36,045.88, 53,993.48 and 28,987.79 is: 43,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.88 : 53,993.48 = 28,987.79 : x
  2. Step 2: Convert to fraction form
    36,045.88/53,993.48 = 28,987.79/x
  3. Step 3: Cross multiply
    36,045.88x = 53,993.48 × 28,987.79
  4. Step 4: Simplify right side
    36,045.88x = 1,565,151,244.70
  5. Step 5: Solve for x
    x = 1,565,151,244.70/36,045.88
  6. Step 6: Final answer
    x = 43,421.09

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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.