Home / 37,418.96-51,638.44-20,423.32

Finding the Fourth Proportional to 37,418.96, 51,638.44 and 20,423.32

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Solution

The fourth proportional to 37,418.96, 51,638.44 and 20,423.32 is: 28,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.96 : 51,638.44 = 20,423.32 : x
  2. Step 2: Convert to fraction form
    37,418.96/51,638.44 = 20,423.32/x
  3. Step 3: Cross multiply
    37,418.96x = 51,638.44 × 20,423.32
  4. Step 4: Simplify right side
    37,418.96x = 1,054,628,384.42
  5. Step 5: Solve for x
    x = 1,054,628,384.42/37,418.96
  6. Step 6: Final answer
    x = 28,184.33

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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.