Home / 38,960.76-58,435.38-14,331

Finding the Fourth Proportional to 38,960.76, 58,435.38 and 14,331

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Solution

The fourth proportional to 38,960.76, 58,435.38 and 14,331 is: 21,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960.76 : 58,435.38 = 14,331 : x
  2. Step 2: Convert to fraction form
    38,960.76/58,435.38 = 14,331/x
  3. Step 3: Cross multiply
    38,960.76x = 58,435.38 × 14,331
  4. Step 4: Simplify right side
    38,960.76x = 837,437,430.78
  5. Step 5: Solve for x
    x = 837,437,430.78/38,960.76
  6. Step 6: Final answer
    x = 21,494.38

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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.