Home / 64,612.08-96,864.36-20,211.12

Finding the Fourth Proportional to 64,612.08, 96,864.36 and 20,211.12

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Solution

The fourth proportional to 64,612.08, 96,864.36 and 20,211.12 is: 30,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,612.08 : 96,864.36 = 20,211.12 : x
  2. Step 2: Convert to fraction form
    64,612.08/96,864.36 = 20,211.12/x
  3. Step 3: Cross multiply
    64,612.08x = 96,864.36 × 20,211.12
  4. Step 4: Simplify right side
    64,612.08x = 1,957,737,203.68
  5. Step 5: Solve for x
    x = 1,957,737,203.68/64,612.08
  6. Step 6: Final answer
    x = 30,299.86

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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.