Home / 47,831.60-65,980.13-29,895.48

Finding the Fourth Proportional to 47,831.60, 65,980.13 and 29,895.48

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Solution

The fourth proportional to 47,831.60, 65,980.13 and 29,895.48 is: 41,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,831.60 : 65,980.13 = 29,895.48 : x
  2. Step 2: Convert to fraction form
    47,831.60/65,980.13 = 29,895.48/x
  3. Step 3: Cross multiply
    47,831.60x = 65,980.13 × 29,895.48
  4. Step 4: Simplify right side
    47,831.60x = 1,972,507,507.34
  5. Step 5: Solve for x
    x = 1,972,507,507.34/47,831.60
  6. Step 6: Final answer
    x = 41,238.58

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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.