Home / 30,835.96-46,215-25,703.80

Finding the Fourth Proportional to 30,835.96, 46,215 and 25,703.80

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Solution

The fourth proportional to 30,835.96, 46,215 and 25,703.80 is: 38,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.96 : 46,215 = 25,703.80 : x
  2. Step 2: Convert to fraction form
    30,835.96/46,215 = 25,703.80/x
  3. Step 3: Cross multiply
    30,835.96x = 46,215 × 25,703.80
  4. Step 4: Simplify right side
    30,835.96x = 1,187,901,117
  5. Step 5: Solve for x
    x = 1,187,901,117/30,835.96
  6. Step 6: Final answer
    x = 38,523.24

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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.