Home / 31,625.72-43,638.23-18,884.06

Finding the Fourth Proportional to 31,625.72, 43,638.23 and 18,884.06

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Solution

The fourth proportional to 31,625.72, 43,638.23 and 18,884.06 is: 26,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.72 : 43,638.23 = 18,884.06 : x
  2. Step 2: Convert to fraction form
    31,625.72/43,638.23 = 18,884.06/x
  3. Step 3: Cross multiply
    31,625.72x = 43,638.23 × 18,884.06
  4. Step 4: Simplify right side
    31,625.72x = 824,066,641.00
  5. Step 5: Solve for x
    x = 824,066,641.00/31,625.72
  6. Step 6: Final answer
    x = 26,056.85

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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.