Home / 33,053.81-45,648.29-28,310.45

Finding the Fourth Proportional to 33,053.81, 45,648.29 and 28,310.45

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Solution

The fourth proportional to 33,053.81, 45,648.29 and 28,310.45 is: 39,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,053.81 : 45,648.29 = 28,310.45 : x
  2. Step 2: Convert to fraction form
    33,053.81/45,648.29 = 28,310.45/x
  3. Step 3: Cross multiply
    33,053.81x = 45,648.29 × 28,310.45
  4. Step 4: Simplify right side
    33,053.81x = 1,292,323,474.17
  5. Step 5: Solve for x
    x = 1,292,323,474.17/33,053.81
  6. Step 6: Final answer
    x = 39,097.57

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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.