Home / 37,710.75-52,041.38-20,716.53

Finding the Fourth Proportional to 37,710.75, 52,041.38 and 20,716.53

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Solution

The fourth proportional to 37,710.75, 52,041.38 and 20,716.53 is: 28,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,710.75 : 52,041.38 = 20,716.53 : x
  2. Step 2: Convert to fraction form
    37,710.75/52,041.38 = 20,716.53/x
  3. Step 3: Cross multiply
    37,710.75x = 52,041.38 × 20,716.53
  4. Step 4: Simplify right side
    37,710.75x = 1,078,116,511.27
  5. Step 5: Solve for x
    x = 1,078,116,511.27/37,710.75
  6. Step 6: Final answer
    x = 28,589.10

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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.