Home / 33,938.35-46,835.13-18,831.31

Finding the Fourth Proportional to 33,938.35, 46,835.13 and 18,831.31

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Solution

The fourth proportional to 33,938.35, 46,835.13 and 18,831.31 is: 25,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,938.35 : 46,835.13 = 18,831.31 : x
  2. Step 2: Convert to fraction form
    33,938.35/46,835.13 = 18,831.31/x
  3. Step 3: Cross multiply
    33,938.35x = 46,835.13 × 18,831.31
  4. Step 4: Simplify right side
    33,938.35x = 881,966,937.17
  5. Step 5: Solve for x
    x = 881,966,937.17/33,938.35
  6. Step 6: Final answer
    x = 25,987.32

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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.