Home / 56,823.52-85,236-21,765.28

Finding the Fourth Proportional to 56,823.52, 85,236 and 21,765.28

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Solution

The fourth proportional to 56,823.52, 85,236 and 21,765.28 is: 32,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,823.52 : 85,236 = 21,765.28 : x
  2. Step 2: Convert to fraction form
    56,823.52/85,236 = 21,765.28/x
  3. Step 3: Cross multiply
    56,823.52x = 85,236 × 21,765.28
  4. Step 4: Simplify right side
    56,823.52x = 1,855,185,406.08
  5. Step 5: Solve for x
    x = 1,855,185,406.08/56,823.52
  6. Step 6: Final answer
    x = 32,648.20

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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.