Home / 38,082.06-52,554.96-21,315.06

Finding the Fourth Proportional to 38,082.06, 52,554.96 and 21,315.06

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Solution

The fourth proportional to 38,082.06, 52,554.96 and 21,315.06 is: 29,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.06 : 52,554.96 = 21,315.06 : x
  2. Step 2: Convert to fraction form
    38,082.06/52,554.96 = 21,315.06/x
  3. Step 3: Cross multiply
    38,082.06x = 52,554.96 × 21,315.06
  4. Step 4: Simplify right side
    38,082.06x = 1,120,212,125.70
  5. Step 5: Solve for x
    x = 1,120,212,125.70/38,082.06
  6. Step 6: Final answer
    x = 29,415.74

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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.