Home / 46,115.86-69,162.72-21,140.32

Finding the Fourth Proportional to 46,115.86, 69,162.72 and 21,140.32

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Solution

The fourth proportional to 46,115.86, 69,162.72 and 21,140.32 is: 31,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,115.86 : 69,162.72 = 21,140.32 : x
  2. Step 2: Convert to fraction form
    46,115.86/69,162.72 = 21,140.32/x
  3. Step 3: Cross multiply
    46,115.86x = 69,162.72 × 21,140.32
  4. Step 4: Simplify right side
    46,115.86x = 1,462,122,032.87
  5. Step 5: Solve for x
    x = 1,462,122,032.87/46,115.86
  6. Step 6: Final answer
    x = 31,705.41

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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.