Home / 31,192.18-46,794.42-10,128.30

Finding the Fourth Proportional to 31,192.18, 46,794.42 and 10,128.30

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Solution

The fourth proportional to 31,192.18, 46,794.42 and 10,128.30 is: 15,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.18 : 46,794.42 = 10,128.30 : x
  2. Step 2: Convert to fraction form
    31,192.18/46,794.42 = 10,128.30/x
  3. Step 3: Cross multiply
    31,192.18x = 46,794.42 × 10,128.30
  4. Step 4: Simplify right side
    31,192.18x = 473,947,924.09
  5. Step 5: Solve for x
    x = 473,947,924.09/31,192.18
  6. Step 6: Final answer
    x = 15,194.45

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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.