Home / 64,769.91-97,158.33-20,400.12

Finding the Fourth Proportional to 64,769.91, 97,158.33 and 20,400.12

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Solution

The fourth proportional to 64,769.91, 97,158.33 and 20,400.12 is: 30,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,769.91 : 97,158.33 = 20,400.12 : x
  2. Step 2: Convert to fraction form
    64,769.91/97,158.33 = 20,400.12/x
  3. Step 3: Cross multiply
    64,769.91x = 97,158.33 × 20,400.12
  4. Step 4: Simplify right side
    64,769.91x = 1,982,041,591.00
  5. Step 5: Solve for x
    x = 1,982,041,591.00/64,769.91
  6. Step 6: Final answer
    x = 30,601.27

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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.