Home / 38,742.16-58,107.16-10,664.32

Finding the Fourth Proportional to 38,742.16, 58,107.16 and 10,664.32

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Solution

The fourth proportional to 38,742.16, 58,107.16 and 10,664.32 is: 15,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.16 : 58,107.16 = 10,664.32 : x
  2. Step 2: Convert to fraction form
    38,742.16/58,107.16 = 10,664.32/x
  3. Step 3: Cross multiply
    38,742.16x = 58,107.16 × 10,664.32
  4. Step 4: Simplify right side
    38,742.16x = 619,673,348.53
  5. Step 5: Solve for x
    x = 619,673,348.53/38,742.16
  6. Step 6: Final answer
    x = 15,994.81

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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.