Home / 53,164.89-79,637.99-38,403.45

Finding the Fourth Proportional to 53,164.89, 79,637.99 and 38,403.45

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Solution

The fourth proportional to 53,164.89, 79,637.99 and 38,403.45 is: 57,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164.89 : 79,637.99 = 38,403.45 : x
  2. Step 2: Convert to fraction form
    53,164.89/79,637.99 = 38,403.45/x
  3. Step 3: Cross multiply
    53,164.89x = 79,637.99 × 38,403.45
  4. Step 4: Simplify right side
    53,164.89x = 3,058,373,375.05
  5. Step 5: Solve for x
    x = 3,058,373,375.05/53,164.89
  6. Step 6: Final answer
    x = 57,526.19

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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.