Home / 52,720.35-78,981.21-26,035.11

Finding the Fourth Proportional to 52,720.35, 78,981.21 and 26,035.11

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Solution

The fourth proportional to 52,720.35, 78,981.21 and 26,035.11 is: 39,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.35 : 78,981.21 = 26,035.11 : x
  2. Step 2: Convert to fraction form
    52,720.35/78,981.21 = 26,035.11/x
  3. Step 3: Cross multiply
    52,720.35x = 78,981.21 × 26,035.11
  4. Step 4: Simplify right side
    52,720.35x = 2,056,284,323.07
  5. Step 5: Solve for x
    x = 2,056,284,323.07/52,720.35
  6. Step 6: Final answer
    x = 39,003.61

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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.