Home / 56,933.53-78,567.12-31,438.41

Finding the Fourth Proportional to 56,933.53, 78,567.12 and 31,438.41

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Solution

The fourth proportional to 56,933.53, 78,567.12 and 31,438.41 is: 43,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,933.53 : 78,567.12 = 31,438.41 : x
  2. Step 2: Convert to fraction form
    56,933.53/78,567.12 = 31,438.41/x
  3. Step 3: Cross multiply
    56,933.53x = 78,567.12 × 31,438.41
  4. Step 4: Simplify right side
    56,933.53x = 2,470,025,334.77
  5. Step 5: Solve for x
    x = 2,470,025,334.77/56,933.53
  6. Step 6: Final answer
    x = 43,384.37

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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.