Home / 30,846.81-42,568.91-16,699.96

Finding the Fourth Proportional to 30,846.81, 42,568.91 and 16,699.96

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Solution

The fourth proportional to 30,846.81, 42,568.91 and 16,699.96 is: 23,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.81 : 42,568.91 = 16,699.96 : x
  2. Step 2: Convert to fraction form
    30,846.81/42,568.91 = 16,699.96/x
  3. Step 3: Cross multiply
    30,846.81x = 42,568.91 × 16,699.96
  4. Step 4: Simplify right side
    30,846.81x = 710,899,094.24
  5. Step 5: Solve for x
    x = 710,899,094.24/30,846.81
  6. Step 6: Final answer
    x = 23,046.11

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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.