Home / 48,939.13-73,408.69-21,237.13

Finding the Fourth Proportional to 48,939.13, 73,408.69 and 21,237.13

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Solution

The fourth proportional to 48,939.13, 73,408.69 and 21,237.13 is: 31,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.13 : 73,408.69 = 21,237.13 : x
  2. Step 2: Convert to fraction form
    48,939.13/73,408.69 = 21,237.13/x
  3. Step 3: Cross multiply
    48,939.13x = 73,408.69 × 21,237.13
  4. Step 4: Simplify right side
    48,939.13x = 1,558,989,892.66
  5. Step 5: Solve for x
    x = 1,558,989,892.66/48,939.13
  6. Step 6: Final answer
    x = 31,855.69

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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.