Home / 49,831.61-68,771.70-28,615.01

Finding the Fourth Proportional to 49,831.61, 68,771.70 and 28,615.01

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Solution

The fourth proportional to 49,831.61, 68,771.70 and 28,615.01 is: 39,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831.61 : 68,771.70 = 28,615.01 : x
  2. Step 2: Convert to fraction form
    49,831.61/68,771.70 = 28,615.01/x
  3. Step 3: Cross multiply
    49,831.61x = 68,771.70 × 28,615.01
  4. Step 4: Simplify right side
    49,831.61x = 1,967,902,539.36
  5. Step 5: Solve for x
    x = 1,967,902,539.36/49,831.61
  6. Step 6: Final answer
    x = 39,491.05

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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.