Home / 37,622.96-51,917.52-20,623.92

Finding the Fourth Proportional to 37,622.96, 51,917.52 and 20,623.92

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Solution

The fourth proportional to 37,622.96, 51,917.52 and 20,623.92 is: 28,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,622.96 : 51,917.52 = 20,623.92 : x
  2. Step 2: Convert to fraction form
    37,622.96/51,917.52 = 20,623.92/x
  3. Step 3: Cross multiply
    37,622.96x = 51,917.52 × 20,623.92
  4. Step 4: Simplify right side
    37,622.96x = 1,070,742,779.08
  5. Step 5: Solve for x
    x = 1,070,742,779.08/37,622.96
  6. Step 6: Final answer
    x = 28,459.82

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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.