Home / 38,316.10-52,874.86-21,319.78

Finding the Fourth Proportional to 38,316.10, 52,874.86 and 21,319.78

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Solution

The fourth proportional to 38,316.10, 52,874.86 and 21,319.78 is: 29,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.10 : 52,874.86 = 21,319.78 : x
  2. Step 2: Convert to fraction form
    38,316.10/52,874.86 = 21,319.78/x
  3. Step 3: Cross multiply
    38,316.10x = 52,874.86 × 21,319.78
  4. Step 4: Simplify right side
    38,316.10x = 1,127,280,382.73
  5. Step 5: Solve for x
    x = 1,127,280,382.73/38,316.10
  6. Step 6: Final answer
    x = 29,420.54

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