Home / 30,846.48-42,568.28-16,699.33

Finding the Fourth Proportional to 30,846.48, 42,568.28 and 16,699.33

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Solution

The fourth proportional to 30,846.48, 42,568.28 and 16,699.33 is: 23,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.48 : 42,568.28 = 16,699.33 : x
  2. Step 2: Convert to fraction form
    30,846.48/42,568.28 = 16,699.33/x
  3. Step 3: Cross multiply
    30,846.48x = 42,568.28 × 16,699.33
  4. Step 4: Simplify right side
    30,846.48x = 710,861,755.25
  5. Step 5: Solve for x
    x = 710,861,755.25/30,846.48
  6. Step 6: Final answer
    x = 23,045.15

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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.