Home / 53,053.38-73,189.05-31,795.74

Finding the Fourth Proportional to 53,053.38, 73,189.05 and 31,795.74

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Solution

The fourth proportional to 53,053.38, 73,189.05 and 31,795.74 is: 43,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.38 : 73,189.05 = 31,795.74 : x
  2. Step 2: Convert to fraction form
    53,053.38/73,189.05 = 31,795.74/x
  3. Step 3: Cross multiply
    53,053.38x = 73,189.05 × 31,795.74
  4. Step 4: Simplify right side
    53,053.38x = 2,327,100,004.65
  5. Step 5: Solve for x
    x = 2,327,100,004.65/53,053.38
  6. Step 6: Final answer
    x = 43,863.37

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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.