Home / 56,706.48-78,253.20-31,213.44

Finding the Fourth Proportional to 56,706.48, 78,253.20 and 31,213.44

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Solution

The fourth proportional to 56,706.48, 78,253.20 and 31,213.44 is: 43,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706.48 : 78,253.20 = 31,213.44 : x
  2. Step 2: Convert to fraction form
    56,706.48/78,253.20 = 31,213.44/x
  3. Step 3: Cross multiply
    56,706.48x = 78,253.20 × 31,213.44
  4. Step 4: Simplify right side
    56,706.48x = 2,442,551,563.01
  5. Step 5: Solve for x
    x = 2,442,551,563.01/56,706.48
  6. Step 6: Final answer
    x = 43,073.59

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1.5x scale

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.