Home / 65,463.89-98,195.85-18,716.76

Finding the Fourth Proportional to 65,463.89, 98,195.85 and 18,716.76

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Solution

The fourth proportional to 65,463.89, 98,195.85 and 18,716.76 is: 28,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,463.89 : 98,195.85 = 18,716.76 : x
  2. Step 2: Convert to fraction form
    65,463.89/98,195.85 = 18,716.76/x
  3. Step 3: Cross multiply
    65,463.89x = 98,195.85 × 18,716.76
  4. Step 4: Simplify right side
    65,463.89x = 1,837,908,157.45
  5. Step 5: Solve for x
    x = 1,837,908,157.45/65,463.89
  6. Step 6: Final answer
    x = 28,075.15

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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.