Home / 30,259.64-41,758.54-16,831.06

Finding the Fourth Proportional to 30,259.64, 41,758.54 and 16,831.06

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Solution

The fourth proportional to 30,259.64, 41,758.54 and 16,831.06 is: 23,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.64 : 41,758.54 = 16,831.06 : x
  2. Step 2: Convert to fraction form
    30,259.64/41,758.54 = 16,831.06/x
  3. Step 3: Cross multiply
    30,259.64x = 41,758.54 × 16,831.06
  4. Step 4: Simplify right side
    30,259.64x = 702,840,345.78
  5. Step 5: Solve for x
    x = 702,840,345.78/30,259.64
  6. Step 6: Final answer
    x = 23,226.99

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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.