Home / 37,035.12-51,109.80-20,268.12

Finding the Fourth Proportional to 37,035.12, 51,109.80 and 20,268.12

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Solution

The fourth proportional to 37,035.12, 51,109.80 and 20,268.12 is: 27,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,035.12 : 51,109.80 = 20,268.12 : x
  2. Step 2: Convert to fraction form
    37,035.12/51,109.80 = 20,268.12/x
  3. Step 3: Cross multiply
    37,035.12x = 51,109.80 × 20,268.12
  4. Step 4: Simplify right side
    37,035.12x = 1,035,899,559.58
  5. Step 5: Solve for x
    x = 1,035,899,559.58/37,035.12
  6. Step 6: Final answer
    x = 27,970.74

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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.