Home / 48,221.73-72,283.05-20,158.20

Finding the Fourth Proportional to 48,221.73, 72,283.05 and 20,158.20

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Solution

The fourth proportional to 48,221.73, 72,283.05 and 20,158.20 is: 30,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,221.73 : 72,283.05 = 20,158.20 : x
  2. Step 2: Convert to fraction form
    48,221.73/72,283.05 = 20,158.20/x
  3. Step 3: Cross multiply
    48,221.73x = 72,283.05 × 20,158.20
  4. Step 4: Simplify right side
    48,221.73x = 1,457,096,178.51
  5. Step 5: Solve for x
    x = 1,457,096,178.51/48,221.73
  6. Step 6: Final answer
    x = 30,216.59

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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.