Home / 50,221.41-75,329.69-18,637.63

Finding the Fourth Proportional to 50,221.41, 75,329.69 and 18,637.63

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Solution

The fourth proportional to 50,221.41, 75,329.69 and 18,637.63 is: 27,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.41 : 75,329.69 = 18,637.63 : x
  2. Step 2: Convert to fraction form
    50,221.41/75,329.69 = 18,637.63/x
  3. Step 3: Cross multiply
    50,221.41x = 75,329.69 × 18,637.63
  4. Step 4: Simplify right side
    50,221.41x = 1,403,967,084.87
  5. Step 5: Solve for x
    x = 1,403,967,084.87/50,221.41
  6. Step 6: Final answer
    x = 27,955.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.