Home / 31,139.44-46,708.72-14,490.16

Finding the Fourth Proportional to 31,139.44, 46,708.72 and 14,490.16

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Solution

The fourth proportional to 31,139.44, 46,708.72 and 14,490.16 is: 21,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,139.44 : 46,708.72 = 14,490.16 : x
  2. Step 2: Convert to fraction form
    31,139.44/46,708.72 = 14,490.16/x
  3. Step 3: Cross multiply
    31,139.44x = 46,708.72 × 14,490.16
  4. Step 4: Simplify right side
    31,139.44x = 676,816,673.20
  5. Step 5: Solve for x
    x = 676,816,673.20/31,139.44
  6. Step 6: Final answer
    x = 21,735.03

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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.