Home / 40,160.03-55,420.18-22,010.62

Finding the Fourth Proportional to 40,160.03, 55,420.18 and 22,010.62

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Solution

The fourth proportional to 40,160.03, 55,420.18 and 22,010.62 is: 30,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.03 : 55,420.18 = 22,010.62 : x
  2. Step 2: Convert to fraction form
    40,160.03/55,420.18 = 22,010.62/x
  3. Step 3: Cross multiply
    40,160.03x = 55,420.18 × 22,010.62
  4. Step 4: Simplify right side
    40,160.03x = 1,219,832,328.73
  5. Step 5: Solve for x
    x = 1,219,832,328.73/40,160.03
  6. Step 6: Final answer
    x = 30,374.29

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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.