Home / 57,039.33-85,534.47-19,603.16

Finding the Fourth Proportional to 57,039.33, 85,534.47 and 19,603.16

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Solution

The fourth proportional to 57,039.33, 85,534.47 and 19,603.16 is: 29,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.33 : 85,534.47 = 19,603.16 : x
  2. Step 2: Convert to fraction form
    57,039.33/85,534.47 = 19,603.16/x
  3. Step 3: Cross multiply
    57,039.33x = 85,534.47 × 19,603.16
  4. Step 4: Simplify right side
    57,039.33x = 1,676,745,900.93
  5. Step 5: Solve for x
    x = 1,676,745,900.93/57,039.33
  6. Step 6: Final answer
    x = 29,396.31

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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.