Home / 48,361.68-72,456.56-20,219.76

Finding the Fourth Proportional to 48,361.68, 72,456.56 and 20,219.76

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Solution

The fourth proportional to 48,361.68, 72,456.56 and 20,219.76 is: 30,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,361.68 : 72,456.56 = 20,219.76 : x
  2. Step 2: Convert to fraction form
    48,361.68/72,456.56 = 20,219.76/x
  3. Step 3: Cross multiply
    48,361.68x = 72,456.56 × 20,219.76
  4. Step 4: Simplify right side
    48,361.68x = 1,465,054,253.63
  5. Step 5: Solve for x
    x = 1,465,054,253.63/48,361.68
  6. Step 6: Final answer
    x = 30,293.70

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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.