Home / 35,698.48-49,263.12-19,782.88

Finding the Fourth Proportional to 35,698.48, 49,263.12 and 19,782.88

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Solution

The fourth proportional to 35,698.48, 49,263.12 and 19,782.88 is: 27,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,698.48 : 49,263.12 = 19,782.88 : x
  2. Step 2: Convert to fraction form
    35,698.48/49,263.12 = 19,782.88/x
  3. Step 3: Cross multiply
    35,698.48x = 49,263.12 × 19,782.88
  4. Step 4: Simplify right side
    35,698.48x = 974,566,391.39
  5. Step 5: Solve for x
    x = 974,566,391.39/35,698.48
  6. Step 6: Final answer
    x = 27,299.94

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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.