Home / 51,285.59-76,962.74-18,005.75

Finding the Fourth Proportional to 51,285.59, 76,962.74 and 18,005.75

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Solution

The fourth proportional to 51,285.59, 76,962.74 and 18,005.75 is: 27,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.59 : 76,962.74 = 18,005.75 : x
  2. Step 2: Convert to fraction form
    51,285.59/76,962.74 = 18,005.75/x
  3. Step 3: Cross multiply
    51,285.59x = 76,962.74 × 18,005.75
  4. Step 4: Simplify right side
    51,285.59x = 1,385,771,855.76
  5. Step 5: Solve for x
    x = 1,385,771,855.76/51,285.59
  6. Step 6: Final answer
    x = 27,020.69

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1.5x scale

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.