Home / 30,316.12-41,836.20-16,888.54

Finding the Fourth Proportional to 30,316.12, 41,836.20 and 16,888.54

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Solution

The fourth proportional to 30,316.12, 41,836.20 and 16,888.54 is: 23,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.12 : 41,836.20 = 16,888.54 : x
  2. Step 2: Convert to fraction form
    30,316.12/41,836.20 = 16,888.54/x
  3. Step 3: Cross multiply
    30,316.12x = 41,836.20 × 16,888.54
  4. Step 4: Simplify right side
    30,316.12x = 706,552,337.15
  5. Step 5: Solve for x
    x = 706,552,337.15/30,316.12
  6. Step 6: Final answer
    x = 23,306.16

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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.