Home / 30,833.39-42,550.20-16,686.23

Finding the Fourth Proportional to 30,833.39, 42,550.20 and 16,686.23

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Solution

The fourth proportional to 30,833.39, 42,550.20 and 16,686.23 is: 23,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.39 : 42,550.20 = 16,686.23 : x
  2. Step 2: Convert to fraction form
    30,833.39/42,550.20 = 16,686.23/x
  3. Step 3: Cross multiply
    30,833.39x = 42,550.20 × 16,686.23
  4. Step 4: Simplify right side
    30,833.39x = 710,002,423.75
  5. Step 5: Solve for x
    x = 710,002,423.75/30,833.39
  6. Step 6: Final answer
    x = 23,027.06

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Double scale
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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.