Home / 30,204.77-41,683.49-18,270.29

Finding the Fourth Proportional to 30,204.77, 41,683.49 and 18,270.29

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Solution

The fourth proportional to 30,204.77, 41,683.49 and 18,270.29 is: 25,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.77 : 41,683.49 = 18,270.29 : x
  2. Step 2: Convert to fraction form
    30,204.77/41,683.49 = 18,270.29/x
  3. Step 3: Cross multiply
    30,204.77x = 41,683.49 × 18,270.29
  4. Step 4: Simplify right side
    30,204.77x = 761,569,359.16
  5. Step 5: Solve for x
    x = 761,569,359.16/30,204.77
  6. Step 6: Final answer
    x = 25,213.55

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1.5x scale

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.