Home / 65,521.63-98,282.44-18,774.50

Finding the Fourth Proportional to 65,521.63, 98,282.44 and 18,774.50

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Solution

The fourth proportional to 65,521.63, 98,282.44 and 18,774.50 is: 28,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,521.63 : 98,282.44 = 18,774.50 : x
  2. Step 2: Convert to fraction form
    65,521.63/98,282.44 = 18,774.50/x
  3. Step 3: Cross multiply
    65,521.63x = 98,282.44 × 18,774.50
  4. Step 4: Simplify right side
    65,521.63x = 1,845,203,622.84
  5. Step 5: Solve for x
    x = 1,845,203,622.84/65,521.63
  6. Step 6: Final answer
    x = 28,161.75

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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.