Home / 34,015.71-46,930.47-20,581.86

Finding the Fourth Proportional to 34,015.71, 46,930.47 and 20,581.86

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Solution

The fourth proportional to 34,015.71, 46,930.47 and 20,581.86 is: 28,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015.71 : 46,930.47 = 20,581.86 : x
  2. Step 2: Convert to fraction form
    34,015.71/46,930.47 = 20,581.86/x
  3. Step 3: Cross multiply
    34,015.71x = 46,930.47 × 20,581.86
  4. Step 4: Simplify right side
    34,015.71x = 965,916,363.27
  5. Step 5: Solve for x
    x = 965,916,363.27/34,015.71
  6. Step 6: Final answer
    x = 28,396.18

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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.