Home / 51,276.95-76,923.55-21,695

Finding the Fourth Proportional to 51,276.95, 76,923.55 and 21,695

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Solution

The fourth proportional to 51,276.95, 76,923.55 and 21,695 is: 32,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.95 : 76,923.55 = 21,695 : x
  2. Step 2: Convert to fraction form
    51,276.95/76,923.55 = 21,695/x
  3. Step 3: Cross multiply
    51,276.95x = 76,923.55 × 21,695
  4. Step 4: Simplify right side
    51,276.95x = 1,668,856,417.25
  5. Step 5: Solve for x
    x = 1,668,856,417.25/51,276.95
  6. Step 6: Final answer
    x = 32,545.94

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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.