Home / 37,848.81-52,231.41-20,621.09

Finding the Fourth Proportional to 37,848.81, 52,231.41 and 20,621.09

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Solution

The fourth proportional to 37,848.81, 52,231.41 and 20,621.09 is: 28,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,848.81 : 52,231.41 = 20,621.09 : x
  2. Step 2: Convert to fraction form
    37,848.81/52,231.41 = 20,621.09/x
  3. Step 3: Cross multiply
    37,848.81x = 52,231.41 × 20,621.09
  4. Step 4: Simplify right side
    37,848.81x = 1,077,068,606.44
  5. Step 5: Solve for x
    x = 1,077,068,606.44/37,848.81
  6. Step 6: Final answer
    x = 28,457.13

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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.