Home / 30,508.38-42,099.59-17,079.53

Finding the Fourth Proportional to 30,508.38, 42,099.59 and 17,079.53

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Solution

The fourth proportional to 30,508.38, 42,099.59 and 17,079.53 is: 23,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.38 : 42,099.59 = 17,079.53 : x
  2. Step 2: Convert to fraction form
    30,508.38/42,099.59 = 17,079.53/x
  3. Step 3: Cross multiply
    30,508.38x = 42,099.59 × 17,079.53
  4. Step 4: Simplify right side
    30,508.38x = 719,040,914.50
  5. Step 5: Solve for x
    x = 719,040,914.50/30,508.38
  6. Step 6: Final answer
    x = 23,568.64

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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.