Home / 30,832.04-42,548.21-16,684.88

Finding the Fourth Proportional to 30,832.04, 42,548.21 and 16,684.88

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Solution

The fourth proportional to 30,832.04, 42,548.21 and 16,684.88 is: 23,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.04 : 42,548.21 = 16,684.88 : x
  2. Step 2: Convert to fraction form
    30,832.04/42,548.21 = 16,684.88/x
  3. Step 3: Cross multiply
    30,832.04x = 42,548.21 × 16,684.88
  4. Step 4: Simplify right side
    30,832.04x = 709,911,736.35
  5. Step 5: Solve for x
    x = 709,911,736.35/30,832.04
  6. Step 6: Final answer
    x = 23,025.13

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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.