Home / 56,746.56-85,108.86-21,677.88

Finding the Fourth Proportional to 56,746.56, 85,108.86 and 21,677.88

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Solution

The fourth proportional to 56,746.56, 85,108.86 and 21,677.88 is: 32,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,746.56 : 85,108.86 = 21,677.88 : x
  2. Step 2: Convert to fraction form
    56,746.56/85,108.86 = 21,677.88/x
  3. Step 3: Cross multiply
    56,746.56x = 85,108.86 × 21,677.88
  4. Step 4: Simplify right side
    56,746.56x = 1,844,979,654.02
  5. Step 5: Solve for x
    x = 1,844,979,654.02/56,746.56
  6. Step 6: Final answer
    x = 32,512.63

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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.