Home / 37,271.12-51,435.09-20,276.32

Finding the Fourth Proportional to 37,271.12, 51,435.09 and 20,276.32

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Solution

The fourth proportional to 37,271.12, 51,435.09 and 20,276.32 is: 27,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,271.12 : 51,435.09 = 20,276.32 : x
  2. Step 2: Convert to fraction form
    37,271.12/51,435.09 = 20,276.32/x
  3. Step 3: Cross multiply
    37,271.12x = 51,435.09 × 20,276.32
  4. Step 4: Simplify right side
    37,271.12x = 1,042,914,344.07
  5. Step 5: Solve for x
    x = 1,042,914,344.07/37,271.12
  6. Step 6: Final answer
    x = 27,981.84

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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.