Home / 33,588.37-46,332.70-20,991.25

Finding the Fourth Proportional to 33,588.37, 46,332.70 and 20,991.25

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Solution

The fourth proportional to 33,588.37, 46,332.70 and 20,991.25 is: 28,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,588.37 : 46,332.70 = 20,991.25 : x
  2. Step 2: Convert to fraction form
    33,588.37/46,332.70 = 20,991.25/x
  3. Step 3: Cross multiply
    33,588.37x = 46,332.70 × 20,991.25
  4. Step 4: Simplify right side
    33,588.37x = 972,581,264.79
  5. Step 5: Solve for x
    x = 972,581,264.79/33,588.37
  6. Step 6: Final answer
    x = 28,955.89

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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.