Home / 56,672.46-78,204.69-31,174.47

Finding the Fourth Proportional to 56,672.46, 78,204.69 and 31,174.47

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Solution

The fourth proportional to 56,672.46, 78,204.69 and 31,174.47 is: 43,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.46 : 78,204.69 = 31,174.47 : x
  2. Step 2: Convert to fraction form
    56,672.46/78,204.69 = 31,174.47/x
  3. Step 3: Cross multiply
    56,672.46x = 78,204.69 × 31,174.47
  4. Step 4: Simplify right side
    56,672.46x = 2,437,989,762.26
  5. Step 5: Solve for x
    x = 2,437,989,762.26/56,672.46
  6. Step 6: Final answer
    x = 43,018.95

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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.