Home / 53,728.96-74,146.08-29,857.12

Finding the Fourth Proportional to 53,728.96, 74,146.08 and 29,857.12

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Solution

The fourth proportional to 53,728.96, 74,146.08 and 29,857.12 is: 41,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.96 : 74,146.08 = 29,857.12 : x
  2. Step 2: Convert to fraction form
    53,728.96/74,146.08 = 29,857.12/x
  3. Step 3: Cross multiply
    53,728.96x = 74,146.08 × 29,857.12
  4. Step 4: Simplify right side
    53,728.96x = 2,213,788,408.09
  5. Step 5: Solve for x
    x = 2,213,788,408.09/53,728.96
  6. Step 6: Final answer
    x = 41,202.89

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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.