Home / 57,731.01-86,536.37-28,108.10

Finding the Fourth Proportional to 57,731.01, 86,536.37 and 28,108.10

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Solution

The fourth proportional to 57,731.01, 86,536.37 and 28,108.10 is: 42,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.01 : 86,536.37 = 28,108.10 : x
  2. Step 2: Convert to fraction form
    57,731.01/86,536.37 = 28,108.10/x
  3. Step 3: Cross multiply
    57,731.01x = 86,536.37 × 28,108.10
  4. Step 4: Simplify right side
    57,731.01x = 2,432,372,368.37
  5. Step 5: Solve for x
    x = 2,432,372,368.37/57,731.01
  6. Step 6: Final answer
    x = 42,132.86

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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.