Home / 36,775.09-50,750.76-20,860.21

Finding the Fourth Proportional to 36,775.09, 50,750.76 and 20,860.21

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Solution

The fourth proportional to 36,775.09, 50,750.76 and 20,860.21 is: 28,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,775.09 : 50,750.76 = 20,860.21 : x
  2. Step 2: Convert to fraction form
    36,775.09/50,750.76 = 20,860.21/x
  3. Step 3: Cross multiply
    36,775.09x = 50,750.76 × 20,860.21
  4. Step 4: Simplify right side
    36,775.09x = 1,058,671,511.26
  5. Step 5: Solve for x
    x = 1,058,671,511.26/36,775.09
  6. Step 6: Final answer
    x = 28,787.73

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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.