Home / 64,795.23-97,196.90-20,423.70

Finding the Fourth Proportional to 64,795.23, 97,196.90 and 20,423.70

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Solution

The fourth proportional to 64,795.23, 97,196.90 and 20,423.70 is: 30,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,795.23 : 97,196.90 = 20,423.70 : x
  2. Step 2: Convert to fraction form
    64,795.23/97,196.90 = 20,423.70/x
  3. Step 3: Cross multiply
    64,795.23x = 97,196.90 × 20,423.70
  4. Step 4: Simplify right side
    64,795.23x = 1,985,120,224.41
  5. Step 5: Solve for x
    x = 1,985,120,224.41/64,795.23
  6. Step 6: Final answer
    x = 30,636.83

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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.