Home / 47,100.09-70,661.07-13,820.04

Finding the Fourth Proportional to 47,100.09, 70,661.07 and 13,820.04

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Solution

The fourth proportional to 47,100.09, 70,661.07 and 13,820.04 is: 20,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,100.09 : 70,661.07 = 13,820.04 : x
  2. Step 2: Convert to fraction form
    47,100.09/70,661.07 = 13,820.04/x
  3. Step 3: Cross multiply
    47,100.09x = 70,661.07 × 13,820.04
  4. Step 4: Simplify right side
    47,100.09x = 976,538,813.84
  5. Step 5: Solve for x
    x = 976,538,813.84/47,100.09
  6. Step 6: Final answer
    x = 20,733.27

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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.