Home / 34,806.90-47,997.22-20,657.01

Finding the Fourth Proportional to 34,806.90, 47,997.22 and 20,657.01

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Solution

The fourth proportional to 34,806.90, 47,997.22 and 20,657.01 is: 28,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.90 : 47,997.22 = 20,657.01 : x
  2. Step 2: Convert to fraction form
    34,806.90/47,997.22 = 20,657.01/x
  3. Step 3: Cross multiply
    34,806.90x = 47,997.22 × 20,657.01
  4. Step 4: Simplify right side
    34,806.90x = 991,479,053.51
  5. Step 5: Solve for x
    x = 991,479,053.51/34,806.90
  6. Step 6: Final answer
    x = 28,485.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.