Home / 57,896.28-86,859.54-18,453.60

Finding the Fourth Proportional to 57,896.28, 86,859.54 and 18,453.60

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Solution

The fourth proportional to 57,896.28, 86,859.54 and 18,453.60 is: 27,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896.28 : 86,859.54 = 18,453.60 : x
  2. Step 2: Convert to fraction form
    57,896.28/86,859.54 = 18,453.60/x
  3. Step 3: Cross multiply
    57,896.28x = 86,859.54 × 18,453.60
  4. Step 4: Simplify right side
    57,896.28x = 1,602,871,207.34
  5. Step 5: Solve for x
    x = 1,602,871,207.34/57,896.28
  6. Step 6: Final answer
    x = 27,685.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.