Home / 51,973.69-77,960.51-12,530.79

Finding the Fourth Proportional to 51,973.69, 77,960.51 and 12,530.79

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Solution

The fourth proportional to 51,973.69, 77,960.51 and 12,530.79 is: 18,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,973.69 : 77,960.51 = 12,530.79 : x
  2. Step 2: Convert to fraction form
    51,973.69/77,960.51 = 12,530.79/x
  3. Step 3: Cross multiply
    51,973.69x = 77,960.51 × 12,530.79
  4. Step 4: Simplify right side
    51,973.69x = 976,906,779.10
  5. Step 5: Solve for x
    x = 976,906,779.10/51,973.69
  6. Step 6: Final answer
    x = 18,796.18

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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.