Home / 64,972.18-97,461.72-20,602.43

Finding the Fourth Proportional to 64,972.18, 97,461.72 and 20,602.43

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Solution

The fourth proportional to 64,972.18, 97,461.72 and 20,602.43 is: 30,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,972.18 : 97,461.72 = 20,602.43 : x
  2. Step 2: Convert to fraction form
    64,972.18/97,461.72 = 20,602.43/x
  3. Step 3: Cross multiply
    64,972.18x = 97,461.72 × 20,602.43
  4. Step 4: Simplify right side
    64,972.18x = 2,007,947,673.66
  5. Step 5: Solve for x
    x = 2,007,947,673.66/64,972.18
  6. Step 6: Final answer
    x = 30,904.73

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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.