Home / 65,154.98-97,579.38-31,770.48

Finding the Fourth Proportional to 65,154.98, 97,579.38 and 31,770.48

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Solution

The fourth proportional to 65,154.98, 97,579.38 and 31,770.48 is: 47,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154.98 : 97,579.38 = 31,770.48 : x
  2. Step 2: Convert to fraction form
    65,154.98/97,579.38 = 31,770.48/x
  3. Step 3: Cross multiply
    65,154.98x = 97,579.38 × 31,770.48
  4. Step 4: Simplify right side
    65,154.98x = 3,100,143,740.70
  5. Step 5: Solve for x
    x = 3,100,143,740.70/65,154.98
  6. Step 6: Final answer
    x = 47,581.07

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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.