Home / 50,938.09-70,302.89-28,284.41

Finding the Fourth Proportional to 50,938.09, 70,302.89 and 28,284.41

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Solution

The fourth proportional to 50,938.09, 70,302.89 and 28,284.41 is: 39,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,938.09 : 70,302.89 = 28,284.41 : x
  2. Step 2: Convert to fraction form
    50,938.09/70,302.89 = 28,284.41/x
  3. Step 3: Cross multiply
    50,938.09x = 70,302.89 × 28,284.41
  4. Step 4: Simplify right side
    50,938.09x = 1,988,475,764.94
  5. Step 5: Solve for x
    x = 1,988,475,764.94/50,938.09
  6. Step 6: Final answer
    x = 39,037.11

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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.