Home / 56,450.75-77,898.98-31,298.63

Finding the Fourth Proportional to 56,450.75, 77,898.98 and 31,298.63

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Solution

The fourth proportional to 56,450.75, 77,898.98 and 31,298.63 is: 43,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.75 : 77,898.98 = 31,298.63 : x
  2. Step 2: Convert to fraction form
    56,450.75/77,898.98 = 31,298.63/x
  3. Step 3: Cross multiply
    56,450.75x = 77,898.98 × 31,298.63
  4. Step 4: Simplify right side
    56,450.75x = 2,438,131,041.15
  5. Step 5: Solve for x
    x = 2,438,131,041.15/56,450.75
  6. Step 6: Final answer
    x = 43,190.41

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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.