Home / 33,889.09-46,755.74-20,455.24

Finding the Fourth Proportional to 33,889.09, 46,755.74 and 20,455.24

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Solution

The fourth proportional to 33,889.09, 46,755.74 and 20,455.24 is: 28,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.09 : 46,755.74 = 20,455.24 : x
  2. Step 2: Convert to fraction form
    33,889.09/46,755.74 = 20,455.24/x
  3. Step 3: Cross multiply
    33,889.09x = 46,755.74 × 20,455.24
  4. Step 4: Simplify right side
    33,889.09x = 956,399,547.02
  5. Step 5: Solve for x
    x = 956,399,547.02/33,889.09
  6. Step 6: Final answer
    x = 28,221.46

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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.