Home / 33,043.88-45,602.76-18,703.68

Finding the Fourth Proportional to 33,043.88, 45,602.76 and 18,703.68

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Solution

The fourth proportional to 33,043.88, 45,602.76 and 18,703.68 is: 25,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,043.88 : 45,602.76 = 18,703.68 : x
  2. Step 2: Convert to fraction form
    33,043.88/45,602.76 = 18,703.68/x
  3. Step 3: Cross multiply
    33,043.88x = 45,602.76 × 18,703.68
  4. Step 4: Simplify right side
    33,043.88x = 852,939,430.16
  5. Step 5: Solve for x
    x = 852,939,430.16/33,043.88
  6. Step 6: Final answer
    x = 25,812.33

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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.