Home / 38,440.38-57,577.05-18,677.34

Finding the Fourth Proportional to 38,440.38, 57,577.05 and 18,677.34

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Solution

The fourth proportional to 38,440.38, 57,577.05 and 18,677.34 is: 27,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.38 : 57,577.05 = 18,677.34 : x
  2. Step 2: Convert to fraction form
    38,440.38/57,577.05 = 18,677.34/x
  3. Step 3: Cross multiply
    38,440.38x = 57,577.05 × 18,677.34
  4. Step 4: Simplify right side
    38,440.38x = 1,075,386,139.05
  5. Step 5: Solve for x
    x = 1,075,386,139.05/38,440.38
  6. Step 6: Final answer
    x = 27,975.43

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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.