Home / 65,549.80-98,317.14-18,168.40

Finding the Fourth Proportional to 65,549.80, 98,317.14 and 18,168.40

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Solution

The fourth proportional to 65,549.80, 98,317.14 and 18,168.40 is: 27,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549.80 : 98,317.14 = 18,168.40 : x
  2. Step 2: Convert to fraction form
    65,549.80/98,317.14 = 18,168.40/x
  3. Step 3: Cross multiply
    65,549.80x = 98,317.14 × 18,168.40
  4. Step 4: Simplify right side
    65,549.80x = 1,786,265,126.38
  5. Step 5: Solve for x
    x = 1,786,265,126.38/65,549.80
  6. Step 6: Final answer
    x = 27,250.50

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1.5x scale

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.