Home / 38,228.95-52,754.18-21,234.27

Finding the Fourth Proportional to 38,228.95, 52,754.18 and 21,234.27

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Solution

The fourth proportional to 38,228.95, 52,754.18 and 21,234.27 is: 29,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.95 : 52,754.18 = 21,234.27 : x
  2. Step 2: Convert to fraction form
    38,228.95/52,754.18 = 21,234.27/x
  3. Step 3: Cross multiply
    38,228.95x = 52,754.18 × 21,234.27
  4. Step 4: Simplify right side
    38,228.95x = 1,120,196,501.75
  5. Step 5: Solve for x
    x = 1,120,196,501.75/38,228.95
  6. Step 6: Final answer
    x = 29,302.31

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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.