Home / 53,186.09-73,395.36-29,312.75

Finding the Fourth Proportional to 53,186.09, 73,395.36 and 29,312.75

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Solution

The fourth proportional to 53,186.09, 73,395.36 and 29,312.75 is: 40,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.09 : 73,395.36 = 29,312.75 : x
  2. Step 2: Convert to fraction form
    53,186.09/73,395.36 = 29,312.75/x
  3. Step 3: Cross multiply
    53,186.09x = 73,395.36 × 29,312.75
  4. Step 4: Simplify right side
    53,186.09x = 2,151,419,838.84
  5. Step 5: Solve for x
    x = 2,151,419,838.84/53,186.09
  6. Step 6: Final answer
    x = 40,450.80

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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.