Home / 30,259.84-41,756.14-16,831.12

Finding the Fourth Proportional to 30,259.84, 41,756.14 and 16,831.12

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Solution

The fourth proportional to 30,259.84, 41,756.14 and 16,831.12 is: 23,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.84 : 41,756.14 = 16,831.12 : x
  2. Step 2: Convert to fraction form
    30,259.84/41,756.14 = 16,831.12/x
  3. Step 3: Cross multiply
    30,259.84x = 41,756.14 × 16,831.12
  4. Step 4: Simplify right side
    30,259.84x = 702,802,603.08
  5. Step 5: Solve for x
    x = 702,802,603.08/30,259.84
  6. Step 6: Final answer
    x = 23,225.59

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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.