Home / 56,738.20-78,300.63-31,247.23

Finding the Fourth Proportional to 56,738.20, 78,300.63 and 31,247.23

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Solution

The fourth proportional to 56,738.20, 78,300.63 and 31,247.23 is: 43,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,738.20 : 78,300.63 = 31,247.23 : x
  2. Step 2: Convert to fraction form
    56,738.20/78,300.63 = 31,247.23/x
  3. Step 3: Cross multiply
    56,738.20x = 78,300.63 × 31,247.23
  4. Step 4: Simplify right side
    56,738.20x = 2,446,677,794.75
  5. Step 5: Solve for x
    x = 2,446,677,794.75/56,738.20
  6. Step 6: Final answer
    x = 43,122.23

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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.