Home / 37,182.81-51,320.75-21,276.03

Finding the Fourth Proportional to 37,182.81, 51,320.75 and 21,276.03

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Solution

The fourth proportional to 37,182.81, 51,320.75 and 21,276.03 is: 29,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,182.81 : 51,320.75 = 21,276.03 : x
  2. Step 2: Convert to fraction form
    37,182.81/51,320.75 = 21,276.03/x
  3. Step 3: Cross multiply
    37,182.81x = 51,320.75 × 21,276.03
  4. Step 4: Simplify right side
    37,182.81x = 1,091,901,816.62
  5. Step 5: Solve for x
    x = 1,091,901,816.62/37,182.81
  6. Step 6: Final answer
    x = 29,365.77

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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.