Home / 57,021.27-85,523.81-19,580.73

Finding the Fourth Proportional to 57,021.27, 85,523.81 and 19,580.73

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Solution

The fourth proportional to 57,021.27, 85,523.81 and 19,580.73 is: 29,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.27 : 85,523.81 = 19,580.73 : x
  2. Step 2: Convert to fraction form
    57,021.27/85,523.81 = 19,580.73/x
  3. Step 3: Cross multiply
    57,021.27x = 85,523.81 × 19,580.73
  4. Step 4: Simplify right side
    57,021.27x = 1,674,618,534.28
  5. Step 5: Solve for x
    x = 1,674,618,534.28/57,021.27
  6. Step 6: Final answer
    x = 29,368.31

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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.