Home / 65,453.62-98,178.47-18,071.61

Finding the Fourth Proportional to 65,453.62, 98,178.47 and 18,071.61

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Solution

The fourth proportional to 65,453.62, 98,178.47 and 18,071.61 is: 27,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,453.62 : 98,178.47 = 18,071.61 : x
  2. Step 2: Convert to fraction form
    65,453.62/98,178.47 = 18,071.61/x
  3. Step 3: Cross multiply
    65,453.62x = 98,178.47 × 18,071.61
  4. Step 4: Simplify right side
    65,453.62x = 1,774,242,529.34
  5. Step 5: Solve for x
    x = 1,774,242,529.34/65,453.62
  6. Step 6: Final answer
    x = 27,106.87

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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.