Home / 64,821.57-97,232.37-20,451.79

Finding the Fourth Proportional to 64,821.57, 97,232.37 and 20,451.79

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Solution

The fourth proportional to 64,821.57, 97,232.37 and 20,451.79 is: 30,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821.57 : 97,232.37 = 20,451.79 : x
  2. Step 2: Convert to fraction form
    64,821.57/97,232.37 = 20,451.79/x
  3. Step 3: Cross multiply
    64,821.57x = 97,232.37 × 20,451.79
  4. Step 4: Simplify right side
    64,821.57x = 1,988,576,057.29
  5. Step 5: Solve for x
    x = 1,988,576,057.29/64,821.57
  6. Step 6: Final answer
    x = 30,677.69

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1.5x scale

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.