Home / 31,108.12-46,635.75-14,477.81

Finding the Fourth Proportional to 31,108.12, 46,635.75 and 14,477.81

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Solution

The fourth proportional to 31,108.12, 46,635.75 and 14,477.81 is: 21,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.12 : 46,635.75 = 14,477.81 : x
  2. Step 2: Convert to fraction form
    31,108.12/46,635.75 = 14,477.81/x
  3. Step 3: Cross multiply
    31,108.12x = 46,635.75 × 14,477.81
  4. Step 4: Simplify right side
    31,108.12x = 675,183,294.53
  5. Step 5: Solve for x
    x = 675,183,294.53/31,108.12
  6. Step 6: Final answer
    x = 21,704.41

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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.