Home / 31,001.63-46,500.78-18,185.93

Finding the Fourth Proportional to 31,001.63, 46,500.78 and 18,185.93

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Solution

The fourth proportional to 31,001.63, 46,500.78 and 18,185.93 is: 27,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,001.63 : 46,500.78 = 18,185.93 : x
  2. Step 2: Convert to fraction form
    31,001.63/46,500.78 = 18,185.93/x
  3. Step 3: Cross multiply
    31,001.63x = 46,500.78 × 18,185.93
  4. Step 4: Simplify right side
    31,001.63x = 845,659,930.03
  5. Step 5: Solve for x
    x = 845,659,930.03/31,001.63
  6. Step 6: Final answer
    x = 27,277.92

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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.