Home / 65,120.46-97,688.60-18,373.34

Finding the Fourth Proportional to 65,120.46, 97,688.60 and 18,373.34

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Solution

The fourth proportional to 65,120.46, 97,688.60 and 18,373.34 is: 27,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,120.46 : 97,688.60 = 18,373.34 : x
  2. Step 2: Convert to fraction form
    65,120.46/97,688.60 = 18,373.34/x
  3. Step 3: Cross multiply
    65,120.46x = 97,688.60 × 18,373.34
  4. Step 4: Simplify right side
    65,120.46x = 1,794,865,281.61
  5. Step 5: Solve for x
    x = 1,794,865,281.61/65,120.46
  6. Step 6: Final answer
    x = 27,562.23

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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.