Home / 37,155.51-51,274.26-20,159.64

Finding the Fourth Proportional to 37,155.51, 51,274.26 and 20,159.64

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Solution

The fourth proportional to 37,155.51, 51,274.26 and 20,159.64 is: 27,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.51 : 51,274.26 = 20,159.64 : x
  2. Step 2: Convert to fraction form
    37,155.51/51,274.26 = 20,159.64/x
  3. Step 3: Cross multiply
    37,155.51x = 51,274.26 × 20,159.64
  4. Step 4: Simplify right side
    37,155.51x = 1,033,670,622.87
  5. Step 5: Solve for x
    x = 1,033,670,622.87/37,155.51
  6. Step 6: Final answer
    x = 27,820.12

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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.