Home / 48,832.50-73,249.56-21,130.50

Finding the Fourth Proportional to 48,832.50, 73,249.56 and 21,130.50

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Solution

The fourth proportional to 48,832.50, 73,249.56 and 21,130.50 is: 31,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,832.50 : 73,249.56 = 21,130.50 : x
  2. Step 2: Convert to fraction form
    48,832.50/73,249.56 = 21,130.50/x
  3. Step 3: Cross multiply
    48,832.50x = 73,249.56 × 21,130.50
  4. Step 4: Simplify right side
    48,832.50x = 1,547,799,827.58
  5. Step 5: Solve for x
    x = 1,547,799,827.58/48,832.50
  6. Step 6: Final answer
    x = 31,696.10

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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.