Home / 47,996.89-72,011.54-30,240.88

Finding the Fourth Proportional to 47,996.89, 72,011.54 and 30,240.88

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Solution

The fourth proportional to 47,996.89, 72,011.54 and 30,240.88 is: 45,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,996.89 : 72,011.54 = 30,240.88 : x
  2. Step 2: Convert to fraction form
    47,996.89/72,011.54 = 30,240.88/x
  3. Step 3: Cross multiply
    47,996.89x = 72,011.54 × 30,240.88
  4. Step 4: Simplify right side
    47,996.89x = 2,177,692,339.76
  5. Step 5: Solve for x
    x = 2,177,692,339.76/47,996.89
  6. Step 6: Final answer
    x = 45,371.53

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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.