Home / 43,508.64-65,145.84-22,688.16

Finding the Fourth Proportional to 43,508.64, 65,145.84 and 22,688.16

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Solution

The fourth proportional to 43,508.64, 65,145.84 and 22,688.16 is: 33,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.64 : 65,145.84 = 22,688.16 : x
  2. Step 2: Convert to fraction form
    43,508.64/65,145.84 = 22,688.16/x
  3. Step 3: Cross multiply
    43,508.64x = 65,145.84 × 22,688.16
  4. Step 4: Simplify right side
    43,508.64x = 1,478,039,241.25
  5. Step 5: Solve for x
    x = 1,478,039,241.25/43,508.64
  6. Step 6: Final answer
    x = 33,971.17

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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.