Home / 35,681.38-49,240.38-19,765.54

Finding the Fourth Proportional to 35,681.38, 49,240.38 and 19,765.54

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Solution

The fourth proportional to 35,681.38, 49,240.38 and 19,765.54 is: 27,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.38 : 49,240.38 = 19,765.54 : x
  2. Step 2: Convert to fraction form
    35,681.38/49,240.38 = 19,765.54/x
  3. Step 3: Cross multiply
    35,681.38x = 49,240.38 × 19,765.54
  4. Step 4: Simplify right side
    35,681.38x = 973,262,700.51
  5. Step 5: Solve for x
    x = 973,262,700.51/35,681.38
  6. Step 6: Final answer
    x = 27,276.49

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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.