Home / 55,070.58-82,611.87-17,621.85

Finding the Fourth Proportional to 55,070.58, 82,611.87 and 17,621.85

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Solution

The fourth proportional to 55,070.58, 82,611.87 and 17,621.85 is: 26,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.58 : 82,611.87 = 17,621.85 : x
  2. Step 2: Convert to fraction form
    55,070.58/82,611.87 = 17,621.85/x
  3. Step 3: Cross multiply
    55,070.58x = 82,611.87 × 17,621.85
  4. Step 4: Simplify right side
    55,070.58x = 1,455,773,981.36
  5. Step 5: Solve for x
    x = 1,455,773,981.36/55,070.58
  6. Step 6: Final answer
    x = 26,434.69

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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.