Home / 53,840.19-80,760.97-18,779.85

Finding the Fourth Proportional to 53,840.19, 80,760.97 and 18,779.85

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Solution

The fourth proportional to 53,840.19, 80,760.97 and 18,779.85 is: 28,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,840.19 : 80,760.97 = 18,779.85 : x
  2. Step 2: Convert to fraction form
    53,840.19/80,760.97 = 18,779.85/x
  3. Step 3: Cross multiply
    53,840.19x = 80,760.97 × 18,779.85
  4. Step 4: Simplify right side
    53,840.19x = 1,516,678,404.75
  5. Step 5: Solve for x
    x = 1,516,678,404.75/53,840.19
  6. Step 6: Final answer
    x = 28,170.00

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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.