Home / 56,830.88-85,240.64-17,388.34

Finding the Fourth Proportional to 56,830.88, 85,240.64 and 17,388.34

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Solution

The fourth proportional to 56,830.88, 85,240.64 and 17,388.34 is: 26,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,830.88 : 85,240.64 = 17,388.34 : x
  2. Step 2: Convert to fraction form
    56,830.88/85,240.64 = 17,388.34/x
  3. Step 3: Cross multiply
    56,830.88x = 85,240.64 × 17,388.34
  4. Step 4: Simplify right side
    56,830.88x = 1,482,193,230.14
  5. Step 5: Solve for x
    x = 1,482,193,230.14/56,830.88
  6. Step 6: Final answer
    x = 26,080.77

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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.