Home / 35,831.80-53,747.70-10,870.60

Finding the Fourth Proportional to 35,831.80, 53,747.70 and 10,870.60

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Solution

The fourth proportional to 35,831.80, 53,747.70 and 10,870.60 is: 16,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.80 : 53,747.70 = 10,870.60 : x
  2. Step 2: Convert to fraction form
    35,831.80/53,747.70 = 10,870.60/x
  3. Step 3: Cross multiply
    35,831.80x = 53,747.70 × 10,870.60
  4. Step 4: Simplify right side
    35,831.80x = 584,269,747.62
  5. Step 5: Solve for x
    x = 584,269,747.62/35,831.80
  6. Step 6: Final answer
    x = 16,305.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.