Home / 30,846.59-42,568.30-16,699.43

Finding the Fourth Proportional to 30,846.59, 42,568.30 and 16,699.43

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Solution

The fourth proportional to 30,846.59, 42,568.30 and 16,699.43 is: 23,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.59 : 42,568.30 = 16,699.43 : x
  2. Step 2: Convert to fraction form
    30,846.59/42,568.30 = 16,699.43/x
  3. Step 3: Cross multiply
    30,846.59x = 42,568.30 × 16,699.43
  4. Step 4: Simplify right side
    30,846.59x = 710,866,346.07
  5. Step 5: Solve for x
    x = 710,866,346.07/30,846.59
  6. Step 6: Final answer
    x = 23,045.22

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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.