Home / 33,378.77-46,062.74-18,272.07

Finding the Fourth Proportional to 33,378.77, 46,062.74 and 18,272.07

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Solution

The fourth proportional to 33,378.77, 46,062.74 and 18,272.07 is: 25,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.77 : 46,062.74 = 18,272.07 : x
  2. Step 2: Convert to fraction form
    33,378.77/46,062.74 = 18,272.07/x
  3. Step 3: Cross multiply
    33,378.77x = 46,062.74 × 18,272.07
  4. Step 4: Simplify right side
    33,378.77x = 841,661,655.35
  5. Step 5: Solve for x
    x = 841,661,655.35/33,378.77
  6. Step 6: Final answer
    x = 25,215.48

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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.