Home / 58,831.74-81,188.34-31,974.32

Finding the Fourth Proportional to 58,831.74, 81,188.34 and 31,974.32

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Solution

The fourth proportional to 58,831.74, 81,188.34 and 31,974.32 is: 44,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,831.74 : 81,188.34 = 31,974.32 : x
  2. Step 2: Convert to fraction form
    58,831.74/81,188.34 = 31,974.32/x
  3. Step 3: Cross multiply
    58,831.74x = 81,188.34 × 31,974.32
  4. Step 4: Simplify right side
    58,831.74x = 2,595,941,963.43
  5. Step 5: Solve for x
    x = 2,595,941,963.43/58,831.74
  6. Step 6: Final answer
    x = 44,124.85

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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.