Home / 56,028.87-84,024.95-20,482.02

Finding the Fourth Proportional to 56,028.87, 84,024.95 and 20,482.02

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Solution

The fourth proportional to 56,028.87, 84,024.95 and 20,482.02 is: 30,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,028.87 : 84,024.95 = 20,482.02 : x
  2. Step 2: Convert to fraction form
    56,028.87/84,024.95 = 20,482.02/x
  3. Step 3: Cross multiply
    56,028.87x = 84,024.95 × 20,482.02
  4. Step 4: Simplify right side
    56,028.87x = 1,721,000,603.99
  5. Step 5: Solve for x
    x = 1,721,000,603.99/56,028.87
  6. Step 6: Final answer
    x = 30,716.32

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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.