Home / 38,944.80-58,420.80-15,566.40

Finding the Fourth Proportional to 38,944.80, 58,420.80 and 15,566.40

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Solution

The fourth proportional to 38,944.80, 58,420.80 and 15,566.40 is: 23,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,944.80 : 58,420.80 = 15,566.40 : x
  2. Step 2: Convert to fraction form
    38,944.80/58,420.80 = 15,566.40/x
  3. Step 3: Cross multiply
    38,944.80x = 58,420.80 × 15,566.40
  4. Step 4: Simplify right side
    38,944.80x = 909,401,541.12
  5. Step 5: Solve for x
    x = 909,401,541.12/38,944.80
  6. Step 6: Final answer
    x = 23,351.04

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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.