Home / 64,498.46-96,744.26-20,120.12

Finding the Fourth Proportional to 64,498.46, 96,744.26 and 20,120.12

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Solution

The fourth proportional to 64,498.46, 96,744.26 and 20,120.12 is: 30,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,498.46 : 96,744.26 = 20,120.12 : x
  2. Step 2: Convert to fraction form
    64,498.46/96,744.26 = 20,120.12/x
  3. Step 3: Cross multiply
    64,498.46x = 96,744.26 × 20,120.12
  4. Step 4: Simplify right side
    64,498.46x = 1,946,506,120.51
  5. Step 5: Solve for x
    x = 1,946,506,120.51/64,498.46
  6. Step 6: Final answer
    x = 30,179.11

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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.