Home / 65,027.16-97,544.14-20,657.40

Finding the Fourth Proportional to 65,027.16, 97,544.14 and 20,657.40

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Solution

The fourth proportional to 65,027.16, 97,544.14 and 20,657.40 is: 30,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,027.16 : 97,544.14 = 20,657.40 : x
  2. Step 2: Convert to fraction form
    65,027.16/97,544.14 = 20,657.40/x
  3. Step 3: Cross multiply
    65,027.16x = 97,544.14 × 20,657.40
  4. Step 4: Simplify right side
    65,027.16x = 2,015,008,317.64
  5. Step 5: Solve for x
    x = 2,015,008,317.64/65,027.16
  6. Step 6: Final answer
    x = 30,987.18

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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.