Home / 38,442.86-53,052.99-21,675.50

Finding the Fourth Proportional to 38,442.86, 53,052.99 and 21,675.50

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Solution

The fourth proportional to 38,442.86, 53,052.99 and 21,675.50 is: 29,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.86 : 53,052.99 = 21,675.50 : x
  2. Step 2: Convert to fraction form
    38,442.86/53,052.99 = 21,675.50/x
  3. Step 3: Cross multiply
    38,442.86x = 53,052.99 × 21,675.50
  4. Step 4: Simplify right side
    38,442.86x = 1,149,950,084.75
  5. Step 5: Solve for x
    x = 1,149,950,084.75/38,442.86
  6. Step 6: Final answer
    x = 29,913.23

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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.