Home / 57,021.48-85,502.93-19,571.49

Finding the Fourth Proportional to 57,021.48, 85,502.93 and 19,571.49

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Solution

The fourth proportional to 57,021.48, 85,502.93 and 19,571.49 is: 29,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.48 : 85,502.93 = 19,571.49 : x
  2. Step 2: Convert to fraction form
    57,021.48/85,502.93 = 19,571.49/x
  3. Step 3: Cross multiply
    57,021.48x = 85,502.93 × 19,571.49
  4. Step 4: Simplify right side
    57,021.48x = 1,673,419,641.61
  5. Step 5: Solve for x
    x = 1,673,419,641.61/57,021.48
  6. Step 6: Final answer
    x = 29,347.18

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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.