Home / 51,461.34-77,228.90-21,899.94

Finding the Fourth Proportional to 51,461.34, 77,228.90 and 21,899.94

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Solution

The fourth proportional to 51,461.34, 77,228.90 and 21,899.94 is: 32,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,461.34 : 77,228.90 = 21,899.94 : x
  2. Step 2: Convert to fraction form
    51,461.34/77,228.90 = 21,899.94/x
  3. Step 3: Cross multiply
    51,461.34x = 77,228.90 × 21,899.94
  4. Step 4: Simplify right side
    51,461.34x = 1,691,308,276.27
  5. Step 5: Solve for x
    x = 1,691,308,276.27/51,461.34
  6. Step 6: Final answer
    x = 32,865.61

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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.