Home / 55,831.37-77,048.64-31,965.71

Finding the Fourth Proportional to 55,831.37, 77,048.64 and 31,965.71

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Solution

The fourth proportional to 55,831.37, 77,048.64 and 31,965.71 is: 44,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.37 : 77,048.64 = 31,965.71 : x
  2. Step 2: Convert to fraction form
    55,831.37/77,048.64 = 31,965.71/x
  3. Step 3: Cross multiply
    55,831.37x = 77,048.64 × 31,965.71
  4. Step 4: Simplify right side
    55,831.37x = 2,462,914,096.89
  5. Step 5: Solve for x
    x = 2,462,914,096.89/55,831.37
  6. Step 6: Final answer
    x = 44,113.45

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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.