Home / 34,913.82-48,172.87-19,803

Finding the Fourth Proportional to 34,913.82, 48,172.87 and 19,803

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Solution

The fourth proportional to 34,913.82, 48,172.87 and 19,803 is: 27,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,913.82 : 48,172.87 = 19,803 : x
  2. Step 2: Convert to fraction form
    34,913.82/48,172.87 = 19,803/x
  3. Step 3: Cross multiply
    34,913.82x = 48,172.87 × 19,803
  4. Step 4: Simplify right side
    34,913.82x = 953,967,344.61
  5. Step 5: Solve for x
    x = 953,967,344.61/34,913.82
  6. Step 6: Final answer
    x = 27,323.49

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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.