Home / 30,831.12-46,240.56-14,811.39

Finding the Fourth Proportional to 30,831.12, 46,240.56 and 14,811.39

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Solution

The fourth proportional to 30,831.12, 46,240.56 and 14,811.39 is: 22,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831.12 : 46,240.56 = 14,811.39 : x
  2. Step 2: Convert to fraction form
    30,831.12/46,240.56 = 14,811.39/x
  3. Step 3: Cross multiply
    30,831.12x = 46,240.56 × 14,811.39
  4. Step 4: Simplify right side
    30,831.12x = 684,886,967.98
  5. Step 5: Solve for x
    x = 684,886,967.98/30,831.12
  6. Step 6: Final answer
    x = 22,214.14

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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.