Home / 34,806.40-47,996.53-20,656.51

Finding the Fourth Proportional to 34,806.40, 47,996.53 and 20,656.51

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Solution

The fourth proportional to 34,806.40, 47,996.53 and 20,656.51 is: 28,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.40 : 47,996.53 = 20,656.51 : x
  2. Step 2: Convert to fraction form
    34,806.40/47,996.53 = 20,656.51/x
  3. Step 3: Cross multiply
    34,806.40x = 47,996.53 × 20,656.51
  4. Step 4: Simplify right side
    34,806.40x = 991,440,921.90
  5. Step 5: Solve for x
    x = 991,440,921.90/34,806.40
  6. Step 6: Final answer
    x = 28,484.44

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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.