Home / 33,790.11-46,628.36-18,681.59

Finding the Fourth Proportional to 33,790.11, 46,628.36 and 18,681.59

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Solution

The fourth proportional to 33,790.11, 46,628.36 and 18,681.59 is: 25,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,790.11 : 46,628.36 = 18,681.59 : x
  2. Step 2: Convert to fraction form
    33,790.11/46,628.36 = 18,681.59/x
  3. Step 3: Cross multiply
    33,790.11x = 46,628.36 × 18,681.59
  4. Step 4: Simplify right side
    33,790.11x = 871,091,734.83
  5. Step 5: Solve for x
    x = 871,091,734.83/33,790.11
  6. Step 6: Final answer
    x = 25,779.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.