Home / 53,187.08-79,792.90-17,645.75

Finding the Fourth Proportional to 53,187.08, 79,792.90 and 17,645.75

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Solution

The fourth proportional to 53,187.08, 79,792.90 and 17,645.75 is: 26,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187.08 : 79,792.90 = 17,645.75 : x
  2. Step 2: Convert to fraction form
    53,187.08/79,792.90 = 17,645.75/x
  3. Step 3: Cross multiply
    53,187.08x = 79,792.90 × 17,645.75
  4. Step 4: Simplify right side
    53,187.08x = 1,408,005,421.32
  5. Step 5: Solve for x
    x = 1,408,005,421.32/53,187.08
  6. Step 6: Final answer
    x = 26,472.70

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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.