Home / 57,018.10-85,505.26-19,571.18

Finding the Fourth Proportional to 57,018.10, 85,505.26 and 19,571.18

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Solution

The fourth proportional to 57,018.10, 85,505.26 and 19,571.18 is: 29,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,018.10 : 85,505.26 = 19,571.18 : x
  2. Step 2: Convert to fraction form
    57,018.10/85,505.26 = 19,571.18/x
  3. Step 3: Cross multiply
    57,018.10x = 85,505.26 × 19,571.18
  4. Step 4: Simplify right side
    57,018.10x = 1,673,438,834.41
  5. Step 5: Solve for x
    x = 1,673,438,834.41/57,018.10
  6. Step 6: Final answer
    x = 29,349.26

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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.