Home / 38,075.14-57,118.83-13,109.05

Finding the Fourth Proportional to 38,075.14, 57,118.83 and 13,109.05

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Solution

The fourth proportional to 38,075.14, 57,118.83 and 13,109.05 is: 19,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.14 : 57,118.83 = 13,109.05 : x
  2. Step 2: Convert to fraction form
    38,075.14/57,118.83 = 13,109.05/x
  3. Step 3: Cross multiply
    38,075.14x = 57,118.83 × 13,109.05
  4. Step 4: Simplify right side
    38,075.14x = 748,773,598.41
  5. Step 5: Solve for x
    x = 748,773,598.41/38,075.14
  6. Step 6: Final answer
    x = 19,665.68

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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.