Home / 37,374.41-51,577.08-20,378.51

Finding the Fourth Proportional to 37,374.41, 51,577.08 and 20,378.51

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Solution

The fourth proportional to 37,374.41, 51,577.08 and 20,378.51 is: 28,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,374.41 : 51,577.08 = 20,378.51 : x
  2. Step 2: Convert to fraction form
    37,374.41/51,577.08 = 20,378.51/x
  3. Step 3: Cross multiply
    37,374.41x = 51,577.08 × 20,378.51
  4. Step 4: Simplify right side
    37,374.41x = 1,051,063,782.67
  5. Step 5: Solve for x
    x = 1,051,063,782.67/37,374.41
  6. Step 6: Final answer
    x = 28,122.56

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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.