Home / 31,325.68-46,987.62-11,603.80

Finding the Fourth Proportional to 31,325.68, 46,987.62 and 11,603.80

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Solution

The fourth proportional to 31,325.68, 46,987.62 and 11,603.80 is: 17,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.68 : 46,987.62 = 11,603.80 : x
  2. Step 2: Convert to fraction form
    31,325.68/46,987.62 = 11,603.80/x
  3. Step 3: Cross multiply
    31,325.68x = 46,987.62 × 11,603.80
  4. Step 4: Simplify right side
    31,325.68x = 545,234,944.96
  5. Step 5: Solve for x
    x = 545,234,944.96/31,325.68
  6. Step 6: Final answer
    x = 17,405.37

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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.