Home / 48,987.34-73,472.73-18,997.18

Finding the Fourth Proportional to 48,987.34, 73,472.73 and 18,997.18

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Solution

The fourth proportional to 48,987.34, 73,472.73 and 18,997.18 is: 28,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987.34 : 73,472.73 = 18,997.18 : x
  2. Step 2: Convert to fraction form
    48,987.34/73,472.73 = 18,997.18/x
  3. Step 3: Cross multiply
    48,987.34x = 73,472.73 × 18,997.18
  4. Step 4: Simplify right side
    48,987.34x = 1,395,774,676.90
  5. Step 5: Solve for x
    x = 1,395,774,676.90/48,987.34
  6. Step 6: Final answer
    x = 28,492.56

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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.