Home / 37,831.21-52,205.06-21,697.68

Finding the Fourth Proportional to 37,831.21, 52,205.06 and 21,697.68

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Solution

The fourth proportional to 37,831.21, 52,205.06 and 21,697.68 is: 29,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.21 : 52,205.06 = 21,697.68 : x
  2. Step 2: Convert to fraction form
    37,831.21/52,205.06 = 21,697.68/x
  3. Step 3: Cross multiply
    37,831.21x = 52,205.06 × 21,697.68
  4. Step 4: Simplify right side
    37,831.21x = 1,132,728,686.26
  5. Step 5: Solve for x
    x = 1,132,728,686.26/37,831.21
  6. Step 6: Final answer
    x = 29,941.65

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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.