Home / 49,485.68-68,270.28-34,390.52

Finding the Fourth Proportional to 49,485.68, 68,270.28 and 34,390.52

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Solution

The fourth proportional to 49,485.68, 68,270.28 and 34,390.52 is: 47,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.68 : 68,270.28 = 34,390.52 : x
  2. Step 2: Convert to fraction form
    49,485.68/68,270.28 = 34,390.52/x
  3. Step 3: Cross multiply
    49,485.68x = 68,270.28 × 34,390.52
  4. Step 4: Simplify right side
    49,485.68x = 2,347,850,429.75
  5. Step 5: Solve for x
    x = 2,347,850,429.75/49,485.68
  6. Step 6: Final answer
    x = 47,445.05

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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.