Home / 55,006.20-75,908.64-29,855.76

Finding the Fourth Proportional to 55,006.20, 75,908.64 and 29,855.76

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Solution

The fourth proportional to 55,006.20, 75,908.64 and 29,855.76 is: 41,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.20 : 75,908.64 = 29,855.76 : x
  2. Step 2: Convert to fraction form
    55,006.20/75,908.64 = 29,855.76/x
  3. Step 3: Cross multiply
    55,006.20x = 75,908.64 × 29,855.76
  4. Step 4: Simplify right side
    55,006.20x = 2,266,310,137.77
  5. Step 5: Solve for x
    x = 2,266,310,137.77/55,006.20
  6. Step 6: Final answer
    x = 41,200.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.