Home / 38,960.60-58,432.79-13,663.49

Finding the Fourth Proportional to 38,960.60, 58,432.79 and 13,663.49

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Solution

The fourth proportional to 38,960.60, 58,432.79 and 13,663.49 is: 20,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960.60 : 58,432.79 = 13,663.49 : x
  2. Step 2: Convert to fraction form
    38,960.60/58,432.79 = 13,663.49/x
  3. Step 3: Cross multiply
    38,960.60x = 58,432.79 × 13,663.49
  4. Step 4: Simplify right side
    38,960.60x = 798,395,583.83
  5. Step 5: Solve for x
    x = 798,395,583.83/38,960.60
  6. Step 6: Final answer
    x = 20,492.39

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1.5x scale

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.