Home / 30,832.13-42,548.35-16,684.94

Finding the Fourth Proportional to 30,832.13, 42,548.35 and 16,684.94

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Solution

The fourth proportional to 30,832.13, 42,548.35 and 16,684.94 is: 23,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.13 : 42,548.35 = 16,684.94 : x
  2. Step 2: Convert to fraction form
    30,832.13/42,548.35 = 16,684.94/x
  3. Step 3: Cross multiply
    30,832.13x = 42,548.35 × 16,684.94
  4. Step 4: Simplify right side
    30,832.13x = 709,916,666.85
  5. Step 5: Solve for x
    x = 709,916,666.85/30,832.13
  6. Step 6: Final answer
    x = 23,025.22

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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.