Home / 38,075.45-57,114.80-11,780.69

Finding the Fourth Proportional to 38,075.45, 57,114.80 and 11,780.69

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Solution

The fourth proportional to 38,075.45, 57,114.80 and 11,780.69 is: 17,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.45 : 57,114.80 = 11,780.69 : x
  2. Step 2: Convert to fraction form
    38,075.45/57,114.80 = 11,780.69/x
  3. Step 3: Cross multiply
    38,075.45x = 57,114.80 × 11,780.69
  4. Step 4: Simplify right side
    38,075.45x = 672,851,694.31
  5. Step 5: Solve for x
    x = 672,851,694.31/38,075.45
  6. Step 6: Final answer
    x = 17,671.54

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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.