Home / 64,539.40-89,064.48-36,245.04

Finding the Fourth Proportional to 64,539.40, 89,064.48 and 36,245.04

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Solution

The fourth proportional to 64,539.40, 89,064.48 and 36,245.04 is: 50,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,539.40 : 89,064.48 = 36,245.04 : x
  2. Step 2: Convert to fraction form
    64,539.40/89,064.48 = 36,245.04/x
  3. Step 3: Cross multiply
    64,539.40x = 89,064.48 × 36,245.04
  4. Step 4: Simplify right side
    64,539.40x = 3,228,145,640.18
  5. Step 5: Solve for x
    x = 3,228,145,640.18/64,539.40
  6. Step 6: Final answer
    x = 50,018.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.