Home / 64,649.39-96,974.10-20,280.02

Finding the Fourth Proportional to 64,649.39, 96,974.10 and 20,280.02

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Solution

The fourth proportional to 64,649.39, 96,974.10 and 20,280.02 is: 30,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,649.39 : 96,974.10 = 20,280.02 : x
  2. Step 2: Convert to fraction form
    64,649.39/96,974.10 = 20,280.02/x
  3. Step 3: Cross multiply
    64,649.39x = 96,974.10 × 20,280.02
  4. Step 4: Simplify right side
    64,649.39x = 1,966,636,202.61
  5. Step 5: Solve for x
    x = 1,966,636,202.61/64,649.39
  6. Step 6: Final answer
    x = 30,420.03

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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.