Home / 35,821.36-49,429-19,904.68

Finding the Fourth Proportional to 35,821.36, 49,429 and 19,904.68

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Solution

The fourth proportional to 35,821.36, 49,429 and 19,904.68 is: 27,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.36 : 49,429 = 19,904.68 : x
  2. Step 2: Convert to fraction form
    35,821.36/49,429 = 19,904.68/x
  3. Step 3: Cross multiply
    35,821.36x = 49,429 × 19,904.68
  4. Step 4: Simplify right side
    35,821.36x = 983,868,427.72
  5. Step 5: Solve for x
    x = 983,868,427.72/35,821.36
  6. Step 6: Final answer
    x = 27,465.97

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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.