Home / 48,219.66-66,551.01-28,837.30

Finding the Fourth Proportional to 48,219.66, 66,551.01 and 28,837.30

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Solution

The fourth proportional to 48,219.66, 66,551.01 and 28,837.30 is: 39,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,219.66 : 66,551.01 = 28,837.30 : x
  2. Step 2: Convert to fraction form
    48,219.66/66,551.01 = 28,837.30/x
  3. Step 3: Cross multiply
    48,219.66x = 66,551.01 × 28,837.30
  4. Step 4: Simplify right side
    48,219.66x = 1,919,151,368.58
  5. Step 5: Solve for x
    x = 1,919,151,368.58/48,219.66
  6. Step 6: Final answer
    x = 39,800.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.