Home / 36,511.50-54,783.72-20,929.14

Finding the Fourth Proportional to 36,511.50, 54,783.72 and 20,929.14

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Solution

The fourth proportional to 36,511.50, 54,783.72 and 20,929.14 is: 31,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.50 : 54,783.72 = 20,929.14 : x
  2. Step 2: Convert to fraction form
    36,511.50/54,783.72 = 20,929.14/x
  3. Step 3: Cross multiply
    36,511.50x = 54,783.72 × 20,929.14
  4. Step 4: Simplify right side
    36,511.50x = 1,146,576,145.60
  5. Step 5: Solve for x
    x = 1,146,576,145.60/36,511.50
  6. Step 6: Final answer
    x = 31,403.15

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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.