Home / 37,282.40-51,457.08-21,377.60

Finding the Fourth Proportional to 37,282.40, 51,457.08 and 21,377.60

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Solution

The fourth proportional to 37,282.40, 51,457.08 and 21,377.60 is: 29,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,282.40 : 51,457.08 = 21,377.60 : x
  2. Step 2: Convert to fraction form
    37,282.40/51,457.08 = 21,377.60/x
  3. Step 3: Cross multiply
    37,282.40x = 51,457.08 × 21,377.60
  4. Step 4: Simplify right side
    37,282.40x = 1,100,028,873.41
  5. Step 5: Solve for x
    x = 1,100,028,873.41/37,282.40
  6. Step 6: Final answer
    x = 29,505.31

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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.