Home / 31,272.66-46,917.74-12,565.82

Finding the Fourth Proportional to 31,272.66, 46,917.74 and 12,565.82

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Solution

The fourth proportional to 31,272.66, 46,917.74 and 12,565.82 is: 18,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.66 : 46,917.74 = 12,565.82 : x
  2. Step 2: Convert to fraction form
    31,272.66/46,917.74 = 12,565.82/x
  3. Step 3: Cross multiply
    31,272.66x = 46,917.74 × 12,565.82
  4. Step 4: Simplify right side
    31,272.66x = 589,559,875.65
  5. Step 5: Solve for x
    x = 589,559,875.65/31,272.66
  6. Step 6: Final answer
    x = 18,852.25

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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.