Home / 52,075.56-78,116.98-20,910.82

Finding the Fourth Proportional to 52,075.56, 78,116.98 and 20,910.82

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Solution

The fourth proportional to 52,075.56, 78,116.98 and 20,910.82 is: 31,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,075.56 : 78,116.98 = 20,910.82 : x
  2. Step 2: Convert to fraction form
    52,075.56/78,116.98 = 20,910.82/x
  3. Step 3: Cross multiply
    52,075.56x = 78,116.98 × 20,910.82
  4. Step 4: Simplify right side
    52,075.56x = 1,633,490,107.72
  5. Step 5: Solve for x
    x = 1,633,490,107.72/52,075.56
  6. Step 6: Final answer
    x = 31,367.69

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1.5x scale

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.