Home / 53,054.21-73,213.70-29,180.49

Finding the Fourth Proportional to 53,054.21, 73,213.70 and 29,180.49

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Solution

The fourth proportional to 53,054.21, 73,213.70 and 29,180.49 is: 40,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,054.21 : 73,213.70 = 29,180.49 : x
  2. Step 2: Convert to fraction form
    53,054.21/73,213.70 = 29,180.49/x
  3. Step 3: Cross multiply
    53,054.21x = 73,213.70 × 29,180.49
  4. Step 4: Simplify right side
    53,054.21x = 2,136,411,494.81
  5. Step 5: Solve for x
    x = 2,136,411,494.81/53,054.21
  6. Step 6: Final answer
    x = 40,268.47

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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.