Home / 53,728.91-74,146.64-29,855.15

Finding the Fourth Proportional to 53,728.91, 74,146.64 and 29,855.15

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Solution

The fourth proportional to 53,728.91, 74,146.64 and 29,855.15 is: 41,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.91 : 74,146.64 = 29,855.15 : x
  2. Step 2: Convert to fraction form
    53,728.91/74,146.64 = 29,855.15/x
  3. Step 3: Cross multiply
    53,728.91x = 74,146.64 × 29,855.15
  4. Step 4: Simplify right side
    53,728.91x = 2,213,658,909.92
  5. Step 5: Solve for x
    x = 2,213,658,909.92/53,728.91
  6. Step 6: Final answer
    x = 41,200.52

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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.