Home / 56,748.52-78,315.36-31,598

Finding the Fourth Proportional to 56,748.52, 78,315.36 and 31,598

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Solution

The fourth proportional to 56,748.52, 78,315.36 and 31,598 is: 43,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,748.52 : 78,315.36 = 31,598 : x
  2. Step 2: Convert to fraction form
    56,748.52/78,315.36 = 31,598/x
  3. Step 3: Cross multiply
    56,748.52x = 78,315.36 × 31,598
  4. Step 4: Simplify right side
    56,748.52x = 2,474,608,745.28
  5. Step 5: Solve for x
    x = 2,474,608,745.28/56,748.52
  6. Step 6: Final answer
    x = 43,606.58

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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.