Home / 64,919.10-97,381.08-18,170.76

Finding the Fourth Proportional to 64,919.10, 97,381.08 and 18,170.76

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Solution

The fourth proportional to 64,919.10, 97,381.08 and 18,170.76 is: 27,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,919.10 : 97,381.08 = 18,170.76 : x
  2. Step 2: Convert to fraction form
    64,919.10/97,381.08 = 18,170.76/x
  3. Step 3: Cross multiply
    64,919.10x = 97,381.08 × 18,170.76
  4. Step 4: Simplify right side
    64,919.10x = 1,769,488,233.22
  5. Step 5: Solve for x
    x = 1,769,488,233.22/64,919.10
  6. Step 6: Final answer
    x = 27,256.82

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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.