Home / 36,271.76-54,355.80-20,657.12

Finding the Fourth Proportional to 36,271.76, 54,355.80 and 20,657.12

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Solution

The fourth proportional to 36,271.76, 54,355.80 and 20,657.12 is: 30,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,271.76 : 54,355.80 = 20,657.12 : x
  2. Step 2: Convert to fraction form
    36,271.76/54,355.80 = 20,657.12/x
  3. Step 3: Cross multiply
    36,271.76x = 54,355.80 × 20,657.12
  4. Step 4: Simplify right side
    36,271.76x = 1,122,834,283.30
  5. Step 5: Solve for x
    x = 1,122,834,283.30/36,271.76
  6. Step 6: Final answer
    x = 30,956.16

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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.