Home / 56,797.34-78,380.08-31,303.66

Finding the Fourth Proportional to 56,797.34, 78,380.08 and 31,303.66

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Solution

The fourth proportional to 56,797.34, 78,380.08 and 31,303.66 is: 43,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.34 : 78,380.08 = 31,303.66 : x
  2. Step 2: Convert to fraction form
    56,797.34/78,380.08 = 31,303.66/x
  3. Step 3: Cross multiply
    56,797.34x = 78,380.08 × 31,303.66
  4. Step 4: Simplify right side
    56,797.34x = 2,453,582,826.67
  5. Step 5: Solve for x
    x = 2,453,582,826.67/56,797.34
  6. Step 6: Final answer
    x = 43,198.90

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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.