Home / 57,705.10-79,632.43-33,827.15

Finding the Fourth Proportional to 57,705.10, 79,632.43 and 33,827.15

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Solution

The fourth proportional to 57,705.10, 79,632.43 and 33,827.15 is: 46,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,705.10 : 79,632.43 = 33,827.15 : x
  2. Step 2: Convert to fraction form
    57,705.10/79,632.43 = 33,827.15/x
  3. Step 3: Cross multiply
    57,705.10x = 79,632.43 × 33,827.15
  4. Step 4: Simplify right side
    57,705.10x = 2,693,738,268.99
  5. Step 5: Solve for x
    x = 2,693,738,268.99/57,705.10
  6. Step 6: Final answer
    x = 46,681.11

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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.