Home / 35,277.16-48,678.81-19,965.43

Finding the Fourth Proportional to 35,277.16, 48,678.81 and 19,965.43

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Solution

The fourth proportional to 35,277.16, 48,678.81 and 19,965.43 is: 27,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.16 : 48,678.81 = 19,965.43 : x
  2. Step 2: Convert to fraction form
    35,277.16/48,678.81 = 19,965.43/x
  3. Step 3: Cross multiply
    35,277.16x = 48,678.81 × 19,965.43
  4. Step 4: Simplify right side
    35,277.16x = 971,893,198.00
  5. Step 5: Solve for x
    x = 971,893,198.00/35,277.16
  6. Step 6: Final answer
    x = 27,550.21

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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.