Home / 51,308.09-76,973.67-18,030.45

Finding the Fourth Proportional to 51,308.09, 76,973.67 and 18,030.45

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Solution

The fourth proportional to 51,308.09, 76,973.67 and 18,030.45 is: 27,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.09 : 76,973.67 = 18,030.45 : x
  2. Step 2: Convert to fraction form
    51,308.09/76,973.67 = 18,030.45/x
  3. Step 3: Cross multiply
    51,308.09x = 76,973.67 × 18,030.45
  4. Step 4: Simplify right side
    51,308.09x = 1,387,869,908.25
  5. Step 5: Solve for x
    x = 1,387,869,908.25/51,308.09
  6. Step 6: Final answer
    x = 27,049.73

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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.