Home / 56,563.20-78,059.34-31,071.66

Finding the Fourth Proportional to 56,563.20, 78,059.34 and 31,071.66

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Solution

The fourth proportional to 56,563.20, 78,059.34 and 31,071.66 is: 42,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,563.20 : 78,059.34 = 31,071.66 : x
  2. Step 2: Convert to fraction form
    56,563.20/78,059.34 = 31,071.66/x
  3. Step 3: Cross multiply
    56,563.20x = 78,059.34 × 31,071.66
  4. Step 4: Simplify right side
    56,563.20x = 2,425,433,272.30
  5. Step 5: Solve for x
    x = 2,425,433,272.30/56,563.20
  6. Step 6: Final answer
    x = 42,880.06

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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.