Home / 65,327.32-97,992.06-18,581.40

Finding the Fourth Proportional to 65,327.32, 97,992.06 and 18,581.40

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Solution

The fourth proportional to 65,327.32, 97,992.06 and 18,581.40 is: 27,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,327.32 : 97,992.06 = 18,581.40 : x
  2. Step 2: Convert to fraction form
    65,327.32/97,992.06 = 18,581.40/x
  3. Step 3: Cross multiply
    65,327.32x = 97,992.06 × 18,581.40
  4. Step 4: Simplify right side
    65,327.32x = 1,820,829,663.68
  5. Step 5: Solve for x
    x = 1,820,829,663.68/65,327.32
  6. Step 6: Final answer
    x = 27,872.41

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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.