Home / 33,987.12-46,900.70-18,880.82

Finding the Fourth Proportional to 33,987.12, 46,900.70 and 18,880.82

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Solution

The fourth proportional to 33,987.12, 46,900.70 and 18,880.82 is: 26,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,987.12 : 46,900.70 = 18,880.82 : x
  2. Step 2: Convert to fraction form
    33,987.12/46,900.70 = 18,880.82/x
  3. Step 3: Cross multiply
    33,987.12x = 46,900.70 × 18,880.82
  4. Step 4: Simplify right side
    33,987.12x = 885,523,674.57
  5. Step 5: Solve for x
    x = 885,523,674.57/33,987.12
  6. Step 6: Final answer
    x = 26,054.68

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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.