Home / 36,902.86-50,927.07-20,989.60

Finding the Fourth Proportional to 36,902.86, 50,927.07 and 20,989.60

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Solution

The fourth proportional to 36,902.86, 50,927.07 and 20,989.60 is: 28,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,902.86 : 50,927.07 = 20,989.60 : x
  2. Step 2: Convert to fraction form
    36,902.86/50,927.07 = 20,989.60/x
  3. Step 3: Cross multiply
    36,902.86x = 50,927.07 × 20,989.60
  4. Step 4: Simplify right side
    36,902.86x = 1,068,938,828.47
  5. Step 5: Solve for x
    x = 1,068,938,828.47/36,902.86
  6. Step 6: Final answer
    x = 28,966.29

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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.