Home / 37,612.40-51,902.72-20,613.64

Finding the Fourth Proportional to 37,612.40, 51,902.72 and 20,613.64

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Solution

The fourth proportional to 37,612.40, 51,902.72 and 20,613.64 is: 28,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.40 : 51,902.72 = 20,613.64 : x
  2. Step 2: Convert to fraction form
    37,612.40/51,902.72 = 20,613.64/x
  3. Step 3: Cross multiply
    37,612.40x = 51,902.72 × 20,613.64
  4. Step 4: Simplify right side
    37,612.40x = 1,069,903,752.28
  5. Step 5: Solve for x
    x = 1,069,903,752.28/37,612.40
  6. Step 6: Final answer
    x = 28,445.51

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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.