Home / 33,419.95-46,118.80-18,312.28

Finding the Fourth Proportional to 33,419.95, 46,118.80 and 18,312.28

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Solution

The fourth proportional to 33,419.95, 46,118.80 and 18,312.28 is: 25,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.95 : 46,118.80 = 18,312.28 : x
  2. Step 2: Convert to fraction form
    33,419.95/46,118.80 = 18,312.28/x
  3. Step 3: Cross multiply
    33,419.95x = 46,118.80 × 18,312.28
  4. Step 4: Simplify right side
    33,419.95x = 844,540,378.86
  5. Step 5: Solve for x
    x = 844,540,378.86/33,419.95
  6. Step 6: Final answer
    x = 25,270.55

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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.