Home / 33,831.12-46,688.76-21,259.92

Finding the Fourth Proportional to 33,831.12, 46,688.76 and 21,259.92

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Solution

The fourth proportional to 33,831.12, 46,688.76 and 21,259.92 is: 29,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.12 : 46,688.76 = 21,259.92 : x
  2. Step 2: Convert to fraction form
    33,831.12/46,688.76 = 21,259.92/x
  3. Step 3: Cross multiply
    33,831.12x = 46,688.76 × 21,259.92
  4. Step 4: Simplify right side
    33,831.12x = 992,599,302.50
  5. Step 5: Solve for x
    x = 992,599,302.50/33,831.12
  6. Step 6: Final answer
    x = 29,339.83

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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.