Home / 57,061.95-85,571.65-19,611.42

Finding the Fourth Proportional to 57,061.95, 85,571.65 and 19,611.42

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Solution

The fourth proportional to 57,061.95, 85,571.65 and 19,611.42 is: 29,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061.95 : 85,571.65 = 19,611.42 : x
  2. Step 2: Convert to fraction form
    57,061.95/85,571.65 = 19,611.42/x
  3. Step 3: Cross multiply
    57,061.95x = 85,571.65 × 19,611.42
  4. Step 4: Simplify right side
    57,061.95x = 1,678,181,568.24
  5. Step 5: Solve for x
    x = 1,678,181,568.24/57,061.95
  6. Step 6: Final answer
    x = 29,409.82

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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.