Home / 47,998.89-72,014.54-30,242.88

Finding the Fourth Proportional to 47,998.89, 72,014.54 and 30,242.88

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Solution

The fourth proportional to 47,998.89, 72,014.54 and 30,242.88 is: 45,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,998.89 : 72,014.54 = 30,242.88 : x
  2. Step 2: Convert to fraction form
    47,998.89/72,014.54 = 30,242.88/x
  3. Step 3: Cross multiply
    47,998.89x = 72,014.54 × 30,242.88
  4. Step 4: Simplify right side
    47,998.89x = 2,177,926,940.26
  5. Step 5: Solve for x
    x = 2,177,926,940.26/47,998.89
  6. Step 6: Final answer
    x = 45,374.53

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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.