Home / 52,129.44-78,182.17-31,075.43

Finding the Fourth Proportional to 52,129.44, 78,182.17 and 31,075.43

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Solution

The fourth proportional to 52,129.44, 78,182.17 and 31,075.43 is: 46,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.44 : 78,182.17 = 31,075.43 : x
  2. Step 2: Convert to fraction form
    52,129.44/78,182.17 = 31,075.43/x
  3. Step 3: Cross multiply
    52,129.44x = 78,182.17 × 31,075.43
  4. Step 4: Simplify right side
    52,129.44x = 2,429,544,082.48
  5. Step 5: Solve for x
    x = 2,429,544,082.48/52,129.44
  6. Step 6: Final answer
    x = 46,605.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.