Home / 31,351.16-46,989.66-13,784.24

Finding the Fourth Proportional to 31,351.16, 46,989.66 and 13,784.24

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Solution

The fourth proportional to 31,351.16, 46,989.66 and 13,784.24 is: 20,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.16 : 46,989.66 = 13,784.24 : x
  2. Step 2: Convert to fraction form
    31,351.16/46,989.66 = 13,784.24/x
  3. Step 3: Cross multiply
    31,351.16x = 46,989.66 × 13,784.24
  4. Step 4: Simplify right side
    31,351.16x = 647,716,750.96
  5. Step 5: Solve for x
    x = 647,716,750.96/31,351.16
  6. Step 6: Final answer
    x = 20,660.06

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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.