Home / 35,518.94-49,015.80-19,603.05

Finding the Fourth Proportional to 35,518.94, 49,015.80 and 19,603.05

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Solution

The fourth proportional to 35,518.94, 49,015.80 and 19,603.05 is: 27,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.94 : 49,015.80 = 19,603.05 : x
  2. Step 2: Convert to fraction form
    35,518.94/49,015.80 = 19,603.05/x
  3. Step 3: Cross multiply
    35,518.94x = 49,015.80 × 19,603.05
  4. Step 4: Simplify right side
    35,518.94x = 960,859,178.19
  5. Step 5: Solve for x
    x = 960,859,178.19/35,518.94
  6. Step 6: Final answer
    x = 27,052.02

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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.