Home / 53,058.78-73,203.75-30,400.38

Finding the Fourth Proportional to 53,058.78, 73,203.75 and 30,400.38

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Solution

The fourth proportional to 53,058.78, 73,203.75 and 30,400.38 is: 41,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,058.78 : 73,203.75 = 30,400.38 : x
  2. Step 2: Convert to fraction form
    53,058.78/73,203.75 = 30,400.38/x
  3. Step 3: Cross multiply
    53,058.78x = 73,203.75 × 30,400.38
  4. Step 4: Simplify right side
    53,058.78x = 2,225,421,817.43
  5. Step 5: Solve for x
    x = 2,225,421,817.43/53,058.78
  6. Step 6: Final answer
    x = 41,942.57

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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.