Home / 56,021.52-84,057-29,719.82

Finding the Fourth Proportional to 56,021.52, 84,057 and 29,719.82

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Solution

The fourth proportional to 56,021.52, 84,057 and 29,719.82 is: 44,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,021.52 : 84,057 = 29,719.82 : x
  2. Step 2: Convert to fraction form
    56,021.52/84,057 = 29,719.82/x
  3. Step 3: Cross multiply
    56,021.52x = 84,057 × 29,719.82
  4. Step 4: Simplify right side
    56,021.52x = 2,498,158,909.74
  5. Step 5: Solve for x
    x = 2,498,158,909.74/56,021.52
  6. Step 6: Final answer
    x = 44,592.84

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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.