Home / 34,137.30-47,090.18-21,368.31

Finding the Fourth Proportional to 34,137.30, 47,090.18 and 21,368.31

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Solution

The fourth proportional to 34,137.30, 47,090.18 and 21,368.31 is: 29,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,137.30 : 47,090.18 = 21,368.31 : x
  2. Step 2: Convert to fraction form
    34,137.30/47,090.18 = 21,368.31/x
  3. Step 3: Cross multiply
    34,137.30x = 47,090.18 × 21,368.31
  4. Step 4: Simplify right side
    34,137.30x = 1,006,237,564.20
  5. Step 5: Solve for x
    x = 1,006,237,564.20/34,137.30
  6. Step 6: Final answer
    x = 29,476.19

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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.