Home / 32,792.70-45,260.65-20,853.73

Finding the Fourth Proportional to 32,792.70, 45,260.65 and 20,853.73

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Solution

The fourth proportional to 32,792.70, 45,260.65 and 20,853.73 is: 28,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,792.70 : 45,260.65 = 20,853.73 : x
  2. Step 2: Convert to fraction form
    32,792.70/45,260.65 = 20,853.73/x
  3. Step 3: Cross multiply
    32,792.70x = 45,260.65 × 20,853.73
  4. Step 4: Simplify right side
    32,792.70x = 943,853,271.42
  5. Step 5: Solve for x
    x = 943,853,271.42/32,792.70
  6. Step 6: Final answer
    x = 28,782.42

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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.