Home / 34,020.63-46,948.68-18,914.72

Finding the Fourth Proportional to 34,020.63, 46,948.68 and 18,914.72

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Solution

The fourth proportional to 34,020.63, 46,948.68 and 18,914.72 is: 26,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,020.63 : 46,948.68 = 18,914.72 : x
  2. Step 2: Convert to fraction form
    34,020.63/46,948.68 = 18,914.72/x
  3. Step 3: Cross multiply
    34,020.63x = 46,948.68 × 18,914.72
  4. Step 4: Simplify right side
    34,020.63x = 888,020,901.83
  5. Step 5: Solve for x
    x = 888,020,901.83/34,020.63
  6. Step 6: Final answer
    x = 26,102.42

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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.