Home / 34,167.39-47,172.96-21,438.05

Finding the Fourth Proportional to 34,167.39, 47,172.96 and 21,438.05

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Solution

The fourth proportional to 34,167.39, 47,172.96 and 21,438.05 is: 29,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.39 : 47,172.96 = 21,438.05 : x
  2. Step 2: Convert to fraction form
    34,167.39/47,172.96 = 21,438.05/x
  3. Step 3: Cross multiply
    34,167.39x = 47,172.96 × 21,438.05
  4. Step 4: Simplify right side
    34,167.39x = 1,011,296,039.26
  5. Step 5: Solve for x
    x = 1,011,296,039.26/34,167.39
  6. Step 6: Final answer
    x = 29,598.28

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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.