Home / 31,099.55-42,916.23-16,952.09

Finding the Fourth Proportional to 31,099.55, 42,916.23 and 16,952.09

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Solution

The fourth proportional to 31,099.55, 42,916.23 and 16,952.09 is: 23,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.55 : 42,916.23 = 16,952.09 : x
  2. Step 2: Convert to fraction form
    31,099.55/42,916.23 = 16,952.09/x
  3. Step 3: Cross multiply
    31,099.55x = 42,916.23 × 16,952.09
  4. Step 4: Simplify right side
    31,099.55x = 727,519,578.84
  5. Step 5: Solve for x
    x = 727,519,578.84/31,099.55
  6. Step 6: Final answer
    x = 23,393.25

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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.