Home / 57,126.98-78,810.80-34,453.08

Finding the Fourth Proportional to 57,126.98, 78,810.80 and 34,453.08

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Solution

The fourth proportional to 57,126.98, 78,810.80 and 34,453.08 is: 47,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.98 : 78,810.80 = 34,453.08 : x
  2. Step 2: Convert to fraction form
    57,126.98/78,810.80 = 34,453.08/x
  3. Step 3: Cross multiply
    57,126.98x = 78,810.80 × 34,453.08
  4. Step 4: Simplify right side
    57,126.98x = 2,715,274,797.26
  5. Step 5: Solve for x
    x = 2,715,274,797.26/57,126.98
  6. Step 6: Final answer
    x = 47,530.52

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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.