Home / 38,982.40-58,477.30-10,902.46

Finding the Fourth Proportional to 38,982.40, 58,477.30 and 10,902.46

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Solution

The fourth proportional to 38,982.40, 58,477.30 and 10,902.46 is: 16,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.40 : 58,477.30 = 10,902.46 : x
  2. Step 2: Convert to fraction form
    38,982.40/58,477.30 = 10,902.46/x
  3. Step 3: Cross multiply
    38,982.40x = 58,477.30 × 10,902.46
  4. Step 4: Simplify right side
    38,982.40x = 637,546,424.16
  5. Step 5: Solve for x
    x = 637,546,424.16/38,982.40
  6. Step 6: Final answer
    x = 16,354.72

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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.