Home / 57,389.28-79,164.72-36,173.76

Finding the Fourth Proportional to 57,389.28, 79,164.72 and 36,173.76

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Solution

The fourth proportional to 57,389.28, 79,164.72 and 36,173.76 is: 49,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.28 : 79,164.72 = 36,173.76 : x
  2. Step 2: Convert to fraction form
    57,389.28/79,164.72 = 36,173.76/x
  3. Step 3: Cross multiply
    57,389.28x = 79,164.72 × 36,173.76
  4. Step 4: Simplify right side
    57,389.28x = 2,863,685,581.75
  5. Step 5: Solve for x
    x = 2,863,685,581.75/57,389.28
  6. Step 6: Final answer
    x = 49,899.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.