Home / 48,305.42-72,458.40-21,991.76

Finding the Fourth Proportional to 48,305.42, 72,458.40 and 21,991.76

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Solution

The fourth proportional to 48,305.42, 72,458.40 and 21,991.76 is: 32,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.42 : 72,458.40 = 21,991.76 : x
  2. Step 2: Convert to fraction form
    48,305.42/72,458.40 = 21,991.76/x
  3. Step 3: Cross multiply
    48,305.42x = 72,458.40 × 21,991.76
  4. Step 4: Simplify right side
    48,305.42x = 1,593,487,742.78
  5. Step 5: Solve for x
    x = 1,593,487,742.78/48,305.42
  6. Step 6: Final answer
    x = 32,987.76

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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.