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Finding the Fourth Proportional to 53,010.69, 73,155.69 and 29,137.29

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Solution

The fourth proportional to 53,010.69, 73,155.69 and 29,137.29 is: 40,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.69 : 73,155.69 = 29,137.29 : x
  2. Step 2: Convert to fraction form
    53,010.69/73,155.69 = 29,137.29/x
  3. Step 3: Cross multiply
    53,010.69x = 73,155.69 × 29,137.29
  4. Step 4: Simplify right side
    53,010.69x = 2,131,558,554.68
  5. Step 5: Solve for x
    x = 2,131,558,554.68/53,010.69
  6. Step 6: Final answer
    x = 40,209.98

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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.