Home / 56,256.76-84,335.48-21,221.02

Finding the Fourth Proportional to 56,256.76, 84,335.48 and 21,221.02

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Solution

The fourth proportional to 56,256.76, 84,335.48 and 21,221.02 is: 31,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,256.76 : 84,335.48 = 21,221.02 : x
  2. Step 2: Convert to fraction form
    56,256.76/84,335.48 = 21,221.02/x
  3. Step 3: Cross multiply
    56,256.76x = 84,335.48 × 21,221.02
  4. Step 4: Simplify right side
    56,256.76x = 1,789,684,986.68
  5. Step 5: Solve for x
    x = 1,789,684,986.68/56,256.76
  6. Step 6: Final answer
    x = 31,812.80

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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.