Home / 36,913.12-50,936.52-20,994.40

Finding the Fourth Proportional to 36,913.12, 50,936.52 and 20,994.40

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Solution

The fourth proportional to 36,913.12, 50,936.52 and 20,994.40 is: 28,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.12 : 50,936.52 = 20,994.40 : x
  2. Step 2: Convert to fraction form
    36,913.12/50,936.52 = 20,994.40/x
  3. Step 3: Cross multiply
    36,913.12x = 50,936.52 × 20,994.40
  4. Step 4: Simplify right side
    36,913.12x = 1,069,381,675.49
  5. Step 5: Solve for x
    x = 1,069,381,675.49/36,913.12
  6. Step 6: Final answer
    x = 28,970.23

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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.