Home / 30,839.96-46,221-25,707.80

Finding the Fourth Proportional to 30,839.96, 46,221 and 25,707.80

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Solution

The fourth proportional to 30,839.96, 46,221 and 25,707.80 is: 38,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.96 : 46,221 = 25,707.80 : x
  2. Step 2: Convert to fraction form
    30,839.96/46,221 = 25,707.80/x
  3. Step 3: Cross multiply
    30,839.96x = 46,221 × 25,707.80
  4. Step 4: Simplify right side
    30,839.96x = 1,188,240,223.80
  5. Step 5: Solve for x
    x = 1,188,240,223.80/30,839.96
  6. Step 6: Final answer
    x = 38,529.24

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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.