Home / 31,939.02-44,066.09-18,507.68

Finding the Fourth Proportional to 31,939.02, 44,066.09 and 18,507.68

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Solution

The fourth proportional to 31,939.02, 44,066.09 and 18,507.68 is: 25,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.02 : 44,066.09 = 18,507.68 : x
  2. Step 2: Convert to fraction form
    31,939.02/44,066.09 = 18,507.68/x
  3. Step 3: Cross multiply
    31,939.02x = 44,066.09 × 18,507.68
  4. Step 4: Simplify right side
    31,939.02x = 815,560,779.70
  5. Step 5: Solve for x
    x = 815,560,779.70/31,939.02
  6. Step 6: Final answer
    x = 25,534.93

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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.