Home / 34,019.43-46,947.15-18,912.72

Finding the Fourth Proportional to 34,019.43, 46,947.15 and 18,912.72

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Solution

The fourth proportional to 34,019.43, 46,947.15 and 18,912.72 is: 26,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,019.43 : 46,947.15 = 18,912.72 : x
  2. Step 2: Convert to fraction form
    34,019.43/46,947.15 = 18,912.72/x
  3. Step 3: Cross multiply
    34,019.43x = 46,947.15 × 18,912.72
  4. Step 4: Simplify right side
    34,019.43x = 887,898,302.75
  5. Step 5: Solve for x
    x = 887,898,302.75/34,019.43
  6. Step 6: Final answer
    x = 26,099.74

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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.