Home / 64,914.23-97,385.94-20,543.65

Finding the Fourth Proportional to 64,914.23, 97,385.94 and 20,543.65

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Solution

The fourth proportional to 64,914.23, 97,385.94 and 20,543.65 is: 30,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,914.23 : 97,385.94 = 20,543.65 : x
  2. Step 2: Convert to fraction form
    64,914.23/97,385.94 = 20,543.65/x
  3. Step 3: Cross multiply
    64,914.23x = 97,385.94 × 20,543.65
  4. Step 4: Simplify right side
    64,914.23x = 2,000,662,422.82
  5. Step 5: Solve for x
    x = 2,000,662,422.82/64,914.23
  6. Step 6: Final answer
    x = 30,820.09

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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.