Home / 38,765.02-58,147.75-13,806.04

Finding the Fourth Proportional to 38,765.02, 58,147.75 and 13,806.04

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Solution

The fourth proportional to 38,765.02, 58,147.75 and 13,806.04 is: 20,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765.02 : 58,147.75 = 13,806.04 : x
  2. Step 2: Convert to fraction form
    38,765.02/58,147.75 = 13,806.04/x
  3. Step 3: Cross multiply
    38,765.02x = 58,147.75 × 13,806.04
  4. Step 4: Simplify right side
    38,765.02x = 802,789,871.67
  5. Step 5: Solve for x
    x = 802,789,871.67/38,765.02
  6. Step 6: Final answer
    x = 20,709.13

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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.