Home / 57,900.15-79,886.43-35,240.07

Finding the Fourth Proportional to 57,900.15, 79,886.43 and 35,240.07

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Solution

The fourth proportional to 57,900.15, 79,886.43 and 35,240.07 is: 48,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900.15 : 79,886.43 = 35,240.07 : x
  2. Step 2: Convert to fraction form
    57,900.15/79,886.43 = 35,240.07/x
  3. Step 3: Cross multiply
    57,900.15x = 79,886.43 × 35,240.07
  4. Step 4: Simplify right side
    57,900.15x = 2,815,203,385.25
  5. Step 5: Solve for x
    x = 2,815,203,385.25/57,900.15
  6. Step 6: Final answer
    x = 48,621.69

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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.