Home / 30,846.53-42,568.29-16,699.40

Finding the Fourth Proportional to 30,846.53, 42,568.29 and 16,699.40

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Solution

The fourth proportional to 30,846.53, 42,568.29 and 16,699.40 is: 23,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.53 : 42,568.29 = 16,699.40 : x
  2. Step 2: Convert to fraction form
    30,846.53/42,568.29 = 16,699.40/x
  3. Step 3: Cross multiply
    30,846.53x = 42,568.29 × 16,699.40
  4. Step 4: Simplify right side
    30,846.53x = 710,864,902.03
  5. Step 5: Solve for x
    x = 710,864,902.03/30,846.53
  6. Step 6: Final answer
    x = 23,045.21

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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.