Home / 53,045.45-73,203.62-30,386.43

Finding the Fourth Proportional to 53,045.45, 73,203.62 and 30,386.43

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Solution

The fourth proportional to 53,045.45, 73,203.62 and 30,386.43 is: 41,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.45 : 73,203.62 = 30,386.43 : x
  2. Step 2: Convert to fraction form
    53,045.45/73,203.62 = 30,386.43/x
  3. Step 3: Cross multiply
    53,045.45x = 73,203.62 × 30,386.43
  4. Step 4: Simplify right side
    53,045.45x = 2,224,396,362.38
  5. Step 5: Solve for x
    x = 2,224,396,362.38/53,045.45
  6. Step 6: Final answer
    x = 41,933.78

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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.