Home / 51,979.25-77,973.74-16,909.49

Finding the Fourth Proportional to 51,979.25, 77,973.74 and 16,909.49

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Solution

The fourth proportional to 51,979.25, 77,973.74 and 16,909.49 is: 25,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979.25 : 77,973.74 = 16,909.49 : x
  2. Step 2: Convert to fraction form
    51,979.25/77,973.74 = 16,909.49/x
  3. Step 3: Cross multiply
    51,979.25x = 77,973.74 × 16,909.49
  4. Step 4: Simplify right side
    51,979.25x = 1,318,496,176.79
  5. Step 5: Solve for x
    x = 1,318,496,176.79/51,979.25
  6. Step 6: Final answer
    x = 25,365.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.