Home / 30,833.46-42,550.15-16,686.29

Finding the Fourth Proportional to 30,833.46, 42,550.15 and 16,686.29

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Solution

The fourth proportional to 30,833.46, 42,550.15 and 16,686.29 is: 23,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.46 : 42,550.15 = 16,686.29 : x
  2. Step 2: Convert to fraction form
    30,833.46/42,550.15 = 16,686.29/x
  3. Step 3: Cross multiply
    30,833.46x = 42,550.15 × 16,686.29
  4. Step 4: Simplify right side
    30,833.46x = 710,004,142.44
  5. Step 5: Solve for x
    x = 710,004,142.44/30,833.46
  6. Step 6: Final answer
    x = 23,027.07

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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.