Home / 33,987.15-46,900.74-18,880.86

Finding the Fourth Proportional to 33,987.15, 46,900.74 and 18,880.86

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Solution

The fourth proportional to 33,987.15, 46,900.74 and 18,880.86 is: 26,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,987.15 : 46,900.74 = 18,880.86 : x
  2. Step 2: Convert to fraction form
    33,987.15/46,900.74 = 18,880.86/x
  3. Step 3: Cross multiply
    33,987.15x = 46,900.74 × 18,880.86
  4. Step 4: Simplify right side
    33,987.15x = 885,526,305.84
  5. Step 5: Solve for x
    x = 885,526,305.84/33,987.15
  6. Step 6: Final answer
    x = 26,054.74

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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.