Home / 31,201.86-46,804.57-21,202.38

Finding the Fourth Proportional to 31,201.86, 46,804.57 and 21,202.38

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Solution

The fourth proportional to 31,201.86, 46,804.57 and 21,202.38 is: 31,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.86 : 46,804.57 = 21,202.38 : x
  2. Step 2: Convert to fraction form
    31,201.86/46,804.57 = 21,202.38/x
  3. Step 3: Cross multiply
    31,201.86x = 46,804.57 × 21,202.38
  4. Step 4: Simplify right side
    31,201.86x = 992,368,225.87
  5. Step 5: Solve for x
    x = 992,368,225.87/31,201.86
  6. Step 6: Final answer
    x = 31,804.77

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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.