Home / 33,407.77-50,111.61-13,686.36

Finding the Fourth Proportional to 33,407.77, 50,111.61 and 13,686.36

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Solution

The fourth proportional to 33,407.77, 50,111.61 and 13,686.36 is: 20,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,407.77 : 50,111.61 = 13,686.36 : x
  2. Step 2: Convert to fraction form
    33,407.77/50,111.61 = 13,686.36/x
  3. Step 3: Cross multiply
    33,407.77x = 50,111.61 × 13,686.36
  4. Step 4: Simplify right side
    33,407.77x = 685,845,534.64
  5. Step 5: Solve for x
    x = 685,845,534.64/33,407.77
  6. Step 6: Final answer
    x = 20,529.52

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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.