Home / 49,977.93-74,991.33-21,894.15

Finding the Fourth Proportional to 49,977.93, 74,991.33 and 21,894.15

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Solution

The fourth proportional to 49,977.93, 74,991.33 and 21,894.15 is: 32,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.93 : 74,991.33 = 21,894.15 : x
  2. Step 2: Convert to fraction form
    49,977.93/74,991.33 = 21,894.15/x
  3. Step 3: Cross multiply
    49,977.93x = 74,991.33 × 21,894.15
  4. Step 4: Simplify right side
    49,977.93x = 1,641,871,427.72
  5. Step 5: Solve for x
    x = 1,641,871,427.72/49,977.93
  6. Step 6: Final answer
    x = 32,851.93

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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.