Home / 48,216.08-72,335.67-20,120.51

Finding the Fourth Proportional to 48,216.08, 72,335.67 and 20,120.51

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Solution

The fourth proportional to 48,216.08, 72,335.67 and 20,120.51 is: 30,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,216.08 : 72,335.67 = 20,120.51 : x
  2. Step 2: Convert to fraction form
    48,216.08/72,335.67 = 20,120.51/x
  3. Step 3: Cross multiply
    48,216.08x = 72,335.67 × 20,120.51
  4. Step 4: Simplify right side
    48,216.08x = 1,455,430,571.59
  5. Step 5: Solve for x
    x = 1,455,430,571.59/48,216.08
  6. Step 6: Final answer
    x = 30,185.58

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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.