Home / 39,138.17-58,707.05-9,556.16

Finding the Fourth Proportional to 39,138.17, 58,707.05 and 9,556.16

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Solution

The fourth proportional to 39,138.17, 58,707.05 and 9,556.16 is: 14,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,138.17 : 58,707.05 = 9,556.16 : x
  2. Step 2: Convert to fraction form
    39,138.17/58,707.05 = 9,556.16/x
  3. Step 3: Cross multiply
    39,138.17x = 58,707.05 × 9,556.16
  4. Step 4: Simplify right side
    39,138.17x = 561,013,621.61
  5. Step 5: Solve for x
    x = 561,013,621.61/39,138.17
  6. Step 6: Final answer
    x = 14,334.18

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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.