Home / 49,728.02-68,619.04-29,308.75

Finding the Fourth Proportional to 49,728.02, 68,619.04 and 29,308.75

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Solution

The fourth proportional to 49,728.02, 68,619.04 and 29,308.75 is: 40,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.02 : 68,619.04 = 29,308.75 : x
  2. Step 2: Convert to fraction form
    49,728.02/68,619.04 = 29,308.75/x
  3. Step 3: Cross multiply
    49,728.02x = 68,619.04 × 29,308.75
  4. Step 4: Simplify right side
    49,728.02x = 2,011,137,798.96
  5. Step 5: Solve for x
    x = 2,011,137,798.96/49,728.02
  6. Step 6: Final answer
    x = 40,442.75

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1.5x scale

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.