Home / 38,126.45-52,618.17-21,134.37

Finding the Fourth Proportional to 38,126.45, 52,618.17 and 21,134.37

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Solution

The fourth proportional to 38,126.45, 52,618.17 and 21,134.37 is: 29,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.45 : 52,618.17 = 21,134.37 : x
  2. Step 2: Convert to fraction form
    38,126.45/52,618.17 = 21,134.37/x
  3. Step 3: Cross multiply
    38,126.45x = 52,618.17 × 21,134.37
  4. Step 4: Simplify right side
    38,126.45x = 1,112,051,873.50
  5. Step 5: Solve for x
    x = 1,112,051,873.50/38,126.45
  6. Step 6: Final answer
    x = 29,167.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.