Home / 56,830.02-85,257.36-21,769.71

Finding the Fourth Proportional to 56,830.02, 85,257.36 and 21,769.71

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Solution

The fourth proportional to 56,830.02, 85,257.36 and 21,769.71 is: 32,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,830.02 : 85,257.36 = 21,769.71 : x
  2. Step 2: Convert to fraction form
    56,830.02/85,257.36 = 21,769.71/x
  3. Step 3: Cross multiply
    56,830.02x = 85,257.36 × 21,769.71
  4. Step 4: Simplify right side
    56,830.02x = 1,856,028,002.57
  5. Step 5: Solve for x
    x = 1,856,028,002.57/56,830.02
  6. Step 6: Final answer
    x = 32,659.29

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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.