Home / 48,130.96-72,188.16-13,073.44

Finding the Fourth Proportional to 48,130.96, 72,188.16 and 13,073.44

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Solution

The fourth proportional to 48,130.96, 72,188.16 and 13,073.44 is: 19,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,130.96 : 72,188.16 = 13,073.44 : x
  2. Step 2: Convert to fraction form
    48,130.96/72,188.16 = 13,073.44/x
  3. Step 3: Cross multiply
    48,130.96x = 72,188.16 × 13,073.44
  4. Step 4: Simplify right side
    48,130.96x = 943,747,578.47
  5. Step 5: Solve for x
    x = 943,747,578.47/48,130.96
  6. Step 6: Final answer
    x = 19,607.91

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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.