Home / 31,099.01-42,916.59-16,951.85

Finding the Fourth Proportional to 31,099.01, 42,916.59 and 16,951.85

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Solution

The fourth proportional to 31,099.01, 42,916.59 and 16,951.85 is: 23,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.01 : 42,916.59 = 16,951.85 : x
  2. Step 2: Convert to fraction form
    31,099.01/42,916.59 = 16,951.85/x
  3. Step 3: Cross multiply
    31,099.01x = 42,916.59 × 16,951.85
  4. Step 4: Simplify right side
    31,099.01x = 727,515,381.61
  5. Step 5: Solve for x
    x = 727,515,381.61/31,099.01
  6. Step 6: Final answer
    x = 23,393.53

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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.