Home / 30,933.53-42,688.38-16,786.37

Finding the Fourth Proportional to 30,933.53, 42,688.38 and 16,786.37

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Solution

The fourth proportional to 30,933.53, 42,688.38 and 16,786.37 is: 23,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.53 : 42,688.38 = 16,786.37 : x
  2. Step 2: Convert to fraction form
    30,933.53/42,688.38 = 16,786.37/x
  3. Step 3: Cross multiply
    30,933.53x = 42,688.38 × 16,786.37
  4. Step 4: Simplify right side
    30,933.53x = 716,582,941.38
  5. Step 5: Solve for x
    x = 716,582,941.38/30,933.53
  6. Step 6: Final answer
    x = 23,165.25

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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.