Home / 56,363.37-84,525.39-18,915.45

Finding the Fourth Proportional to 56,363.37, 84,525.39 and 18,915.45

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Solution

The fourth proportional to 56,363.37, 84,525.39 and 18,915.45 is: 28,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.37 : 84,525.39 = 18,915.45 : x
  2. Step 2: Convert to fraction form
    56,363.37/84,525.39 = 18,915.45/x
  3. Step 3: Cross multiply
    56,363.37x = 84,525.39 × 18,915.45
  4. Step 4: Simplify right side
    56,363.37x = 1,598,835,788.28
  5. Step 5: Solve for x
    x = 1,598,835,788.28/56,363.37
  6. Step 6: Final answer
    x = 28,366.58

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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.