Home / 57,016.91-78,683.14-31,866.41

Finding the Fourth Proportional to 57,016.91, 78,683.14 and 31,866.41

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Solution

The fourth proportional to 57,016.91, 78,683.14 and 31,866.41 is: 43,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.91 : 78,683.14 = 31,866.41 : x
  2. Step 2: Convert to fraction form
    57,016.91/78,683.14 = 31,866.41/x
  3. Step 3: Cross multiply
    57,016.91x = 78,683.14 × 31,866.41
  4. Step 4: Simplify right side
    57,016.91x = 2,507,349,199.33
  5. Step 5: Solve for x
    x = 2,507,349,199.33/57,016.91
  6. Step 6: Final answer
    x = 43,975.54

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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.