Home / 48,524.19-72,785.47-21,855.34

Finding the Fourth Proportional to 48,524.19, 72,785.47 and 21,855.34

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Solution

The fourth proportional to 48,524.19, 72,785.47 and 21,855.34 is: 32,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,524.19 : 72,785.47 = 21,855.34 : x
  2. Step 2: Convert to fraction form
    48,524.19/72,785.47 = 21,855.34/x
  3. Step 3: Cross multiply
    48,524.19x = 72,785.47 × 21,855.34
  4. Step 4: Simplify right side
    48,524.19x = 1,590,751,084.63
  5. Step 5: Solve for x
    x = 1,590,751,084.63/48,524.19
  6. Step 6: Final answer
    x = 32,782.64

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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.