Home / 35,845.20-49,466.16-19,929.51

Finding the Fourth Proportional to 35,845.20, 49,466.16 and 19,929.51

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Solution

The fourth proportional to 35,845.20, 49,466.16 and 19,929.51 is: 27,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.20 : 49,466.16 = 19,929.51 : x
  2. Step 2: Convert to fraction form
    35,845.20/49,466.16 = 19,929.51/x
  3. Step 3: Cross multiply
    35,845.20x = 49,466.16 × 19,929.51
  4. Step 4: Simplify right side
    35,845.20x = 985,836,330.38
  5. Step 5: Solve for x
    x = 985,836,330.38/35,845.20
  6. Step 6: Final answer
    x = 27,502.60

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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.