Home / 55,609.70-76,746.89-31,739.97

Finding the Fourth Proportional to 55,609.70, 76,746.89 and 31,739.97

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Solution

The fourth proportional to 55,609.70, 76,746.89 and 31,739.97 is: 43,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.70 : 76,746.89 = 31,739.97 : x
  2. Step 2: Convert to fraction form
    55,609.70/76,746.89 = 31,739.97/x
  3. Step 3: Cross multiply
    55,609.70x = 76,746.89 × 31,739.97
  4. Step 4: Simplify right side
    55,609.70x = 2,435,943,827.49
  5. Step 5: Solve for x
    x = 2,435,943,827.49/55,609.70
  6. Step 6: Final answer
    x = 43,804.30

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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.