Home / 51,447.15-77,185.34-16,389.51

Finding the Fourth Proportional to 51,447.15, 77,185.34 and 16,389.51

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Solution

The fourth proportional to 51,447.15, 77,185.34 and 16,389.51 is: 24,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.15 : 77,185.34 = 16,389.51 : x
  2. Step 2: Convert to fraction form
    51,447.15/77,185.34 = 16,389.51/x
  3. Step 3: Cross multiply
    51,447.15x = 77,185.34 × 16,389.51
  4. Step 4: Simplify right side
    51,447.15x = 1,265,029,901.78
  5. Step 5: Solve for x
    x = 1,265,029,901.78/51,447.15
  6. Step 6: Final answer
    x = 24,588.92

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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.