Home / 37,175.50-51,303.27-20,409.58

Finding the Fourth Proportional to 37,175.50, 51,303.27 and 20,409.58

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Solution

The fourth proportional to 37,175.50, 51,303.27 and 20,409.58 is: 28,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,175.50 : 51,303.27 = 20,409.58 : x
  2. Step 2: Convert to fraction form
    37,175.50/51,303.27 = 20,409.58/x
  3. Step 3: Cross multiply
    37,175.50x = 51,303.27 × 20,409.58
  4. Step 4: Simplify right side
    37,175.50x = 1,047,078,193.33
  5. Step 5: Solve for x
    x = 1,047,078,193.33/37,175.50
  6. Step 6: Final answer
    x = 28,165.81

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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.