Home / 35,746.90-49,330.74-19,831.37

Finding the Fourth Proportional to 35,746.90, 49,330.74 and 19,831.37

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Solution

The fourth proportional to 35,746.90, 49,330.74 and 19,831.37 is: 27,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.90 : 49,330.74 = 19,831.37 : x
  2. Step 2: Convert to fraction form
    35,746.90/49,330.74 = 19,831.37/x
  3. Step 3: Cross multiply
    35,746.90x = 49,330.74 × 19,831.37
  4. Step 4: Simplify right side
    35,746.90x = 978,295,985.03
  5. Step 5: Solve for x
    x = 978,295,985.03/35,746.90
  6. Step 6: Final answer
    x = 27,367.30

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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.