Home / 57,006.51-85,528.21-27,420.49

Finding the Fourth Proportional to 57,006.51, 85,528.21 and 27,420.49

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Solution

The fourth proportional to 57,006.51, 85,528.21 and 27,420.49 is: 41,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006.51 : 85,528.21 = 27,420.49 : x
  2. Step 2: Convert to fraction form
    57,006.51/85,528.21 = 27,420.49/x
  3. Step 3: Cross multiply
    57,006.51x = 85,528.21 × 27,420.49
  4. Step 4: Simplify right side
    57,006.51x = 2,345,225,427.02
  5. Step 5: Solve for x
    x = 2,345,225,427.02/57,006.51
  6. Step 6: Final answer
    x = 41,139.61

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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.