Home / 36,000.12-49,682.78-20,901.52

Finding the Fourth Proportional to 36,000.12, 49,682.78 and 20,901.52

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Solution

The fourth proportional to 36,000.12, 49,682.78 and 20,901.52 is: 28,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.12 : 49,682.78 = 20,901.52 : x
  2. Step 2: Convert to fraction form
    36,000.12/49,682.78 = 20,901.52/x
  3. Step 3: Cross multiply
    36,000.12x = 49,682.78 × 20,901.52
  4. Step 4: Simplify right side
    36,000.12x = 1,038,445,619.83
  5. Step 5: Solve for x
    x = 1,038,445,619.83/36,000.12
  6. Step 6: Final answer
    x = 28,845.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.