Home / 31,206.09-43,063.60-18,459.93

Finding the Fourth Proportional to 31,206.09, 43,063.60 and 18,459.93

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Solution

The fourth proportional to 31,206.09, 43,063.60 and 18,459.93 is: 25,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.09 : 43,063.60 = 18,459.93 : x
  2. Step 2: Convert to fraction form
    31,206.09/43,063.60 = 18,459.93/x
  3. Step 3: Cross multiply
    31,206.09x = 43,063.60 × 18,459.93
  4. Step 4: Simplify right side
    31,206.09x = 794,951,156.89
  5. Step 5: Solve for x
    x = 794,951,156.89/31,206.09
  6. Step 6: Final answer
    x = 25,474.23

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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.