Home / 55,053.77-75,977.88-30,855.02

Finding the Fourth Proportional to 55,053.77, 75,977.88 and 30,855.02

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Solution

The fourth proportional to 55,053.77, 75,977.88 and 30,855.02 is: 42,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.77 : 75,977.88 = 30,855.02 : x
  2. Step 2: Convert to fraction form
    55,053.77/75,977.88 = 30,855.02/x
  3. Step 3: Cross multiply
    55,053.77x = 75,977.88 × 30,855.02
  4. Step 4: Simplify right side
    55,053.77x = 2,344,299,006.96
  5. Step 5: Solve for x
    x = 2,344,299,006.96/55,053.77
  6. Step 6: Final answer
    x = 42,581.99

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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.