Home / 56,746.10-78,311.74-31,253.54

Finding the Fourth Proportional to 56,746.10, 78,311.74 and 31,253.54

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Solution

The fourth proportional to 56,746.10, 78,311.74 and 31,253.54 is: 43,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,746.10 : 78,311.74 = 31,253.54 : x
  2. Step 2: Convert to fraction form
    56,746.10/78,311.74 = 31,253.54/x
  3. Step 3: Cross multiply
    56,746.10x = 78,311.74 × 31,253.54
  4. Step 4: Simplify right side
    56,746.10x = 2,447,519,098.56
  5. Step 5: Solve for x
    x = 2,447,519,098.56/56,746.10
  6. Step 6: Final answer
    x = 43,131.05

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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.