Home / 37,683.07-52,002.43-20,687.60

Finding the Fourth Proportional to 37,683.07, 52,002.43 and 20,687.60

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Solution

The fourth proportional to 37,683.07, 52,002.43 and 20,687.60 is: 28,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683.07 : 52,002.43 = 20,687.60 : x
  2. Step 2: Convert to fraction form
    37,683.07/52,002.43 = 20,687.60/x
  3. Step 3: Cross multiply
    37,683.07x = 52,002.43 × 20,687.60
  4. Step 4: Simplify right side
    37,683.07x = 1,075,805,607.34
  5. Step 5: Solve for x
    x = 1,075,805,607.34/37,683.07
  6. Step 6: Final answer
    x = 28,548.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.