Home / 56,850.05-78,453.62-31,357.45

Finding the Fourth Proportional to 56,850.05, 78,453.62 and 31,357.45

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Solution

The fourth proportional to 56,850.05, 78,453.62 and 31,357.45 is: 43,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850.05 : 78,453.62 = 31,357.45 : x
  2. Step 2: Convert to fraction form
    56,850.05/78,453.62 = 31,357.45/x
  3. Step 3: Cross multiply
    56,850.05x = 78,453.62 × 31,357.45
  4. Step 4: Simplify right side
    56,850.05x = 2,460,105,466.47
  5. Step 5: Solve for x
    x = 2,460,105,466.47/56,850.05
  6. Step 6: Final answer
    x = 43,273.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.