Home / 30,563.96-45,831.40-11,852.72

Finding the Fourth Proportional to 30,563.96, 45,831.40 and 11,852.72

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Solution

The fourth proportional to 30,563.96, 45,831.40 and 11,852.72 is: 17,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.96 : 45,831.40 = 11,852.72 : x
  2. Step 2: Convert to fraction form
    30,563.96/45,831.40 = 11,852.72/x
  3. Step 3: Cross multiply
    30,563.96x = 45,831.40 × 11,852.72
  4. Step 4: Simplify right side
    30,563.96x = 543,226,751.41
  5. Step 5: Solve for x
    x = 543,226,751.41/30,563.96
  6. Step 6: Final answer
    x = 17,773.44

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1.5x scale

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.