Home / 38,075.58-57,117.20-13,112.34

Finding the Fourth Proportional to 38,075.58, 57,117.20 and 13,112.34

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Solution

The fourth proportional to 38,075.58, 57,117.20 and 13,112.34 is: 19,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.58 : 57,117.20 = 13,112.34 : x
  2. Step 2: Convert to fraction form
    38,075.58/57,117.20 = 13,112.34/x
  3. Step 3: Cross multiply
    38,075.58x = 57,117.20 × 13,112.34
  4. Step 4: Simplify right side
    38,075.58x = 748,940,080.69
  5. Step 5: Solve for x
    x = 748,940,080.69/38,075.58
  6. Step 6: Final answer
    x = 19,669.83

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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.