Home / 30,606.25-45,909.74-11,887.33

Finding the Fourth Proportional to 30,606.25, 45,909.74 and 11,887.33

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Solution

The fourth proportional to 30,606.25, 45,909.74 and 11,887.33 is: 17,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.25 : 45,909.74 = 11,887.33 : x
  2. Step 2: Convert to fraction form
    30,606.25/45,909.74 = 11,887.33/x
  3. Step 3: Cross multiply
    30,606.25x = 45,909.74 × 11,887.33
  4. Step 4: Simplify right side
    30,606.25x = 545,744,229.59
  5. Step 5: Solve for x
    x = 545,744,229.59/30,606.25
  6. Step 6: Final answer
    x = 17,831.14

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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.