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Finding the Fourth Proportional to 57,653.15, 79,531.07 and 46,910.03

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Solution

The fourth proportional to 57,653.15, 79,531.07 and 46,910.03 is: 64,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,653.15 : 79,531.07 = 46,910.03 : x
  2. Step 2: Convert to fraction form
    57,653.15/79,531.07 = 46,910.03/x
  3. Step 3: Cross multiply
    57,653.15x = 79,531.07 × 46,910.03
  4. Step 4: Simplify right side
    57,653.15x = 3,730,804,247.43
  5. Step 5: Solve for x
    x = 3,730,804,247.43/57,653.15
  6. Step 6: Final answer
    x = 64,711.20

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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.