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Finding the Fourth Proportional to 48,626, 72,967.68 and 20,544.22

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Solution

The fourth proportional to 48,626, 72,967.68 and 20,544.22 is: 30,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,626 : 72,967.68 = 20,544.22 : x
  2. Step 2: Convert to fraction form
    48,626/72,967.68 = 20,544.22/x
  3. Step 3: Cross multiply
    48,626x = 72,967.68 × 20,544.22
  4. Step 4: Simplify right side
    48,626x = 1,499,064,070.81
  5. Step 5: Solve for x
    x = 1,499,064,070.81/48,626
  6. Step 6: Final answer
    x = 30,828.45

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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.