Home / 51,433.63-77,134.76-18,145.92

Finding the Fourth Proportional to 51,433.63, 77,134.76 and 18,145.92

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Solution

The fourth proportional to 51,433.63, 77,134.76 and 18,145.92 is: 27,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.63 : 77,134.76 = 18,145.92 : x
  2. Step 2: Convert to fraction form
    51,433.63/77,134.76 = 18,145.92/x
  3. Step 3: Cross multiply
    51,433.63x = 77,134.76 × 18,145.92
  4. Step 4: Simplify right side
    51,433.63x = 1,399,681,399.72
  5. Step 5: Solve for x
    x = 1,399,681,399.72/51,433.63
  6. Step 6: Final answer
    x = 27,213.35

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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.