Home / 38,082.53-52,555.53-21,086.77

Finding the Fourth Proportional to 38,082.53, 52,555.53 and 21,086.77

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Solution

The fourth proportional to 38,082.53, 52,555.53 and 21,086.77 is: 29,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.53 : 52,555.53 = 21,086.77 : x
  2. Step 2: Convert to fraction form
    38,082.53/52,555.53 = 21,086.77/x
  3. Step 3: Cross multiply
    38,082.53x = 52,555.53 × 21,086.77
  4. Step 4: Simplify right side
    38,082.53x = 1,108,226,373.34
  5. Step 5: Solve for x
    x = 1,108,226,373.34/38,082.53
  6. Step 6: Final answer
    x = 29,100.65

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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.