Home / 51,831.84-77,748.96-18,554.19

Finding the Fourth Proportional to 51,831.84, 77,748.96 and 18,554.19

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Solution

The fourth proportional to 51,831.84, 77,748.96 and 18,554.19 is: 27,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.84 : 77,748.96 = 18,554.19 : x
  2. Step 2: Convert to fraction form
    51,831.84/77,748.96 = 18,554.19/x
  3. Step 3: Cross multiply
    51,831.84x = 77,748.96 × 18,554.19
  4. Step 4: Simplify right side
    51,831.84x = 1,442,568,976.14
  5. Step 5: Solve for x
    x = 1,442,568,976.14/51,831.84
  6. Step 6: Final answer
    x = 27,831.71

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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.