Home / 31,091.04-46,610.64-13,548.06

Finding the Fourth Proportional to 31,091.04, 46,610.64 and 13,548.06

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Solution

The fourth proportional to 31,091.04, 46,610.64 and 13,548.06 is: 20,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091.04 : 46,610.64 = 13,548.06 : x
  2. Step 2: Convert to fraction form
    31,091.04/46,610.64 = 13,548.06/x
  3. Step 3: Cross multiply
    31,091.04x = 46,610.64 × 13,548.06
  4. Step 4: Simplify right side
    31,091.04x = 631,483,747.36
  5. Step 5: Solve for x
    x = 631,483,747.36/31,091.04
  6. Step 6: Final answer
    x = 20,310.80

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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.