Home / 30,582.57-45,887.90-18,127.29

Finding the Fourth Proportional to 30,582.57, 45,887.90 and 18,127.29

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Solution

The fourth proportional to 30,582.57, 45,887.90 and 18,127.29 is: 27,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.57 : 45,887.90 = 18,127.29 : x
  2. Step 2: Convert to fraction form
    30,582.57/45,887.90 = 18,127.29/x
  3. Step 3: Cross multiply
    30,582.57x = 45,887.90 × 18,127.29
  4. Step 4: Simplify right side
    30,582.57x = 831,823,180.15
  5. Step 5: Solve for x
    x = 831,823,180.15/30,582.57
  6. Step 6: Final answer
    x = 27,199.26

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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.