Home / 51,789.51-77,685.93-14,346.38

Finding the Fourth Proportional to 51,789.51, 77,685.93 and 14,346.38

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Solution

The fourth proportional to 51,789.51, 77,685.93 and 14,346.38 is: 21,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.51 : 77,685.93 = 14,346.38 : x
  2. Step 2: Convert to fraction form
    51,789.51/77,685.93 = 14,346.38/x
  3. Step 3: Cross multiply
    51,789.51x = 77,685.93 × 14,346.38
  4. Step 4: Simplify right side
    51,789.51x = 1,114,512,066.65
  5. Step 5: Solve for x
    x = 1,114,512,066.65/51,789.51
  6. Step 6: Final answer
    x = 21,520.03

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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.