Home / 51,152.45-76,712.00-18,690.08

Finding the Fourth Proportional to 51,152.45, 76,712.00 and 18,690.08

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Solution

The fourth proportional to 51,152.45, 76,712.00 and 18,690.08 is: 28,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.45 : 76,712.00 = 18,690.08 : x
  2. Step 2: Convert to fraction form
    51,152.45/76,712.00 = 18,690.08/x
  3. Step 3: Cross multiply
    51,152.45x = 76,712.00 × 18,690.08
  4. Step 4: Simplify right side
    51,152.45x = 1,433,752,939.95
  5. Step 5: Solve for x
    x = 1,433,752,939.95/51,152.45
  6. Step 6: Final answer
    x = 28,029.02

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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.