Home / 76,665.04-114,997.02-21,261.04

Finding the Fourth Proportional to 76,665.04, 114,997.02 and 21,261.04

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Solution

The fourth proportional to 76,665.04, 114,997.02 and 21,261.04 is: 31,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,665.04 : 114,997.02 = 21,261.04 : x
  2. Step 2: Convert to fraction form
    76,665.04/114,997.02 = 21,261.04/x
  3. Step 3: Cross multiply
    76,665.04x = 114,997.02 × 21,261.04
  4. Step 4: Simplify right side
    76,665.04x = 2,444,956,242.10
  5. Step 5: Solve for x
    x = 2,444,956,242.10/76,665.04
  6. Step 6: Final answer
    x = 31,891.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.