Home / 48,203.48-72,295.50-13,138.58

Finding the Fourth Proportional to 48,203.48, 72,295.50 and 13,138.58

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Solution

The fourth proportional to 48,203.48, 72,295.50 and 13,138.58 is: 19,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,203.48 : 72,295.50 = 13,138.58 : x
  2. Step 2: Convert to fraction form
    48,203.48/72,295.50 = 13,138.58/x
  3. Step 3: Cross multiply
    48,203.48x = 72,295.50 × 13,138.58
  4. Step 4: Simplify right side
    48,203.48x = 949,860,210.39
  5. Step 5: Solve for x
    x = 949,860,210.39/48,203.48
  6. Step 6: Final answer
    x = 19,705.22

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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.