Home / 65,190.04-97,788.84-18,439

Finding the Fourth Proportional to 65,190.04, 97,788.84 and 18,439

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Solution

The fourth proportional to 65,190.04, 97,788.84 and 18,439 is: 27,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190.04 : 97,788.84 = 18,439 : x
  2. Step 2: Convert to fraction form
    65,190.04/97,788.84 = 18,439/x
  3. Step 3: Cross multiply
    65,190.04x = 97,788.84 × 18,439
  4. Step 4: Simplify right side
    65,190.04x = 1,803,128,420.76
  5. Step 5: Solve for x
    x = 1,803,128,420.76/65,190.04
  6. Step 6: Final answer
    x = 27,659.57

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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.