Home / 65,319.42-97,971.30-20,344.02

Finding the Fourth Proportional to 65,319.42, 97,971.30 and 20,344.02

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Solution

The fourth proportional to 65,319.42, 97,971.30 and 20,344.02 is: 30,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,319.42 : 97,971.30 = 20,344.02 : x
  2. Step 2: Convert to fraction form
    65,319.42/97,971.30 = 20,344.02/x
  3. Step 3: Cross multiply
    65,319.42x = 97,971.30 × 20,344.02
  4. Step 4: Simplify right side
    65,319.42x = 1,993,130,086.63
  5. Step 5: Solve for x
    x = 1,993,130,086.63/65,319.42
  6. Step 6: Final answer
    x = 30,513.59

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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.