Home / 56,757.18-78,296.85-34,085.28

Finding the Fourth Proportional to 56,757.18, 78,296.85 and 34,085.28

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Solution

The fourth proportional to 56,757.18, 78,296.85 and 34,085.28 is: 47,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,757.18 : 78,296.85 = 34,085.28 : x
  2. Step 2: Convert to fraction form
    56,757.18/78,296.85 = 34,085.28/x
  3. Step 3: Cross multiply
    56,757.18x = 78,296.85 × 34,085.28
  4. Step 4: Simplify right side
    56,757.18x = 2,668,770,055.37
  5. Step 5: Solve for x
    x = 2,668,770,055.37/56,757.18
  6. Step 6: Final answer
    x = 47,020.84

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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.