Home / 56,337.88-77,745.18-31,187.56

Finding the Fourth Proportional to 56,337.88, 77,745.18 and 31,187.56

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Solution

The fourth proportional to 56,337.88, 77,745.18 and 31,187.56 is: 43,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,337.88 : 77,745.18 = 31,187.56 : x
  2. Step 2: Convert to fraction form
    56,337.88/77,745.18 = 31,187.56/x
  3. Step 3: Cross multiply
    56,337.88x = 77,745.18 × 31,187.56
  4. Step 4: Simplify right side
    56,337.88x = 2,424,682,465.96
  5. Step 5: Solve for x
    x = 2,424,682,465.96/56,337.88
  6. Step 6: Final answer
    x = 43,038.23

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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.