Home / 57,021.02-85,541.81-19,571.42

Finding the Fourth Proportional to 57,021.02, 85,541.81 and 19,571.42

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Solution

The fourth proportional to 57,021.02, 85,541.81 and 19,571.42 is: 29,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.02 : 85,541.81 = 19,571.42 : x
  2. Step 2: Convert to fraction form
    57,021.02/85,541.81 = 19,571.42/x
  3. Step 3: Cross multiply
    57,021.02x = 85,541.81 × 19,571.42
  4. Step 4: Simplify right side
    57,021.02x = 1,674,174,593.21
  5. Step 5: Solve for x
    x = 1,674,174,593.21/57,021.02
  6. Step 6: Final answer
    x = 29,360.66

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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.