Home / 51,514.87-77,259.82-14,075.12

Finding the Fourth Proportional to 51,514.87, 77,259.82 and 14,075.12

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Solution

The fourth proportional to 51,514.87, 77,259.82 and 14,075.12 is: 21,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,514.87 : 77,259.82 = 14,075.12 : x
  2. Step 2: Convert to fraction form
    51,514.87/77,259.82 = 14,075.12/x
  3. Step 3: Cross multiply
    51,514.87x = 77,259.82 × 14,075.12
  4. Step 4: Simplify right side
    51,514.87x = 1,087,441,237.68
  5. Step 5: Solve for x
    x = 1,087,441,237.68/51,514.87
  6. Step 6: Final answer
    x = 21,109.27

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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.