Home / 30,833.37-42,550.25-16,686.18

Finding the Fourth Proportional to 30,833.37, 42,550.25 and 16,686.18

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Solution

The fourth proportional to 30,833.37, 42,550.25 and 16,686.18 is: 23,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.37 : 42,550.25 = 16,686.18 : x
  2. Step 2: Convert to fraction form
    30,833.37/42,550.25 = 16,686.18/x
  3. Step 3: Cross multiply
    30,833.37x = 42,550.25 × 16,686.18
  4. Step 4: Simplify right side
    30,833.37x = 710,001,047.11
  5. Step 5: Solve for x
    x = 710,001,047.11/30,833.37
  6. Step 6: Final answer
    x = 23,027.03

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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.