Home / 23,428.98-35,050.19-20,345.31

Finding the Fourth Proportional to 23,428.98, 35,050.19 and 20,345.31

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Solution

The fourth proportional to 23,428.98, 35,050.19 and 20,345.31 is: 30,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.98 : 35,050.19 = 20,345.31 : x
  2. Step 2: Convert to fraction form
    23,428.98/35,050.19 = 20,345.31/x
  3. Step 3: Cross multiply
    23,428.98x = 35,050.19 × 20,345.31
  4. Step 4: Simplify right side
    23,428.98x = 713,106,879.38
  5. Step 5: Solve for x
    x = 713,106,879.38/23,428.98
  6. Step 6: Final answer
    x = 30,436.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.