Home / 35,746.20-49,326.51-19,830.60

Finding the Fourth Proportional to 35,746.20, 49,326.51 and 19,830.60

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Solution

The fourth proportional to 35,746.20, 49,326.51 and 19,830.60 is: 27,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.20 : 49,326.51 = 19,830.60 : x
  2. Step 2: Convert to fraction form
    35,746.20/49,326.51 = 19,830.60/x
  3. Step 3: Cross multiply
    35,746.20x = 49,326.51 × 19,830.60
  4. Step 4: Simplify right side
    35,746.20x = 978,174,289.21
  5. Step 5: Solve for x
    x = 978,174,289.21/35,746.20
  6. Step 6: Final answer
    x = 27,364.43

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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.