Home / 38,126.37-57,191.38-18,421.50

Finding the Fourth Proportional to 38,126.37, 57,191.38 and 18,421.50

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Solution

The fourth proportional to 38,126.37, 57,191.38 and 18,421.50 is: 27,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.37 : 57,191.38 = 18,421.50 : x
  2. Step 2: Convert to fraction form
    38,126.37/57,191.38 = 18,421.50/x
  3. Step 3: Cross multiply
    38,126.37x = 57,191.38 × 18,421.50
  4. Step 4: Simplify right side
    38,126.37x = 1,053,551,006.67
  5. Step 5: Solve for x
    x = 1,053,551,006.67/38,126.37
  6. Step 6: Final answer
    x = 27,633.13

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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.