Home / 19,539.90-29,301.21-5,689.98

Finding the Fourth Proportional to 19,539.90, 29,301.21 and 5,689.98

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Solution

The fourth proportional to 19,539.90, 29,301.21 and 5,689.98 is: 8,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.90 : 29,301.21 = 5,689.98 : x
  2. Step 2: Convert to fraction form
    19,539.90/29,301.21 = 5,689.98/x
  3. Step 3: Cross multiply
    19,539.90x = 29,301.21 × 5,689.98
  4. Step 4: Simplify right side
    19,539.90x = 166,723,298.88
  5. Step 5: Solve for x
    x = 166,723,298.88/19,539.90
  6. Step 6: Final answer
    x = 8,532.45

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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.