Home / 36,905.49-50,932.40-20,988.99

Finding the Fourth Proportional to 36,905.49, 50,932.40 and 20,988.99

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Solution

The fourth proportional to 36,905.49, 50,932.40 and 20,988.99 is: 28,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.49 : 50,932.40 = 20,988.99 : x
  2. Step 2: Convert to fraction form
    36,905.49/50,932.40 = 20,988.99/x
  3. Step 3: Cross multiply
    36,905.49x = 50,932.40 × 20,988.99
  4. Step 4: Simplify right side
    36,905.49x = 1,069,019,529.33
  5. Step 5: Solve for x
    x = 1,069,019,529.33/36,905.49
  6. Step 6: Final answer
    x = 28,966.41

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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.