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Finding the Fourth Proportional to 64,699.54, 97,001.30 and 20,301

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Solution

The fourth proportional to 64,699.54, 97,001.30 and 20,301 is: 30,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,699.54 : 97,001.30 = 20,301 : x
  2. Step 2: Convert to fraction form
    64,699.54/97,001.30 = 20,301/x
  3. Step 3: Cross multiply
    64,699.54x = 97,001.30 × 20,301
  4. Step 4: Simplify right side
    64,699.54x = 1,969,223,391.30
  5. Step 5: Solve for x
    x = 1,969,223,391.30/64,699.54
  6. Step 6: Final answer
    x = 30,436.44

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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.