Home / 56,742.31-85,012.35-34,544.26

Finding the Fourth Proportional to 56,742.31, 85,012.35 and 34,544.26

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Solution

The fourth proportional to 56,742.31, 85,012.35 and 34,544.26 is: 51,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.31 : 85,012.35 = 34,544.26 : x
  2. Step 2: Convert to fraction form
    56,742.31/85,012.35 = 34,544.26/x
  3. Step 3: Cross multiply
    56,742.31x = 85,012.35 × 34,544.26
  4. Step 4: Simplify right side
    56,742.31x = 2,936,688,721.61
  5. Step 5: Solve for x
    x = 2,936,688,721.61/56,742.31
  6. Step 6: Final answer
    x = 51,754.83

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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.