Home / 30,980.00-42,752.41-16,832.81

Finding the Fourth Proportional to 30,980.00, 42,752.41 and 16,832.81

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Solution

The fourth proportional to 30,980.00, 42,752.41 and 16,832.81 is: 23,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.00 : 42,752.41 = 16,832.81 : x
  2. Step 2: Convert to fraction form
    30,980.00/42,752.41 = 16,832.81/x
  3. Step 3: Cross multiply
    30,980.00x = 42,752.41 × 16,832.81
  4. Step 4: Simplify right side
    30,980.00x = 719,643,259.37
  5. Step 5: Solve for x
    x = 719,643,259.37/30,980.00
  6. Step 6: Final answer
    x = 23,229.28

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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.