Home / 51,285.60-76,934.40-16,228.80

Finding the Fourth Proportional to 51,285.60, 76,934.40 and 16,228.80

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Solution

The fourth proportional to 51,285.60, 76,934.40 and 16,228.80 is: 24,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.60 : 76,934.40 = 16,228.80 : x
  2. Step 2: Convert to fraction form
    51,285.60/76,934.40 = 16,228.80/x
  3. Step 3: Cross multiply
    51,285.60x = 76,934.40 × 16,228.80
  4. Step 4: Simplify right side
    51,285.60x = 1,248,552,990.72
  5. Step 5: Solve for x
    x = 1,248,552,990.72/51,285.60
  6. Step 6: Final answer
    x = 24,345.10

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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.