Home / 53,230.08-79,845.12-16,289.28

Finding the Fourth Proportional to 53,230.08, 79,845.12 and 16,289.28

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Solution

The fourth proportional to 53,230.08, 79,845.12 and 16,289.28 is: 24,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.08 : 79,845.12 = 16,289.28 : x
  2. Step 2: Convert to fraction form
    53,230.08/79,845.12 = 16,289.28/x
  3. Step 3: Cross multiply
    53,230.08x = 79,845.12 × 16,289.28
  4. Step 4: Simplify right side
    53,230.08x = 1,300,619,516.31
  5. Step 5: Solve for x
    x = 1,300,619,516.31/53,230.08
  6. Step 6: Final answer
    x = 24,433.92

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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.