Home / 40,008.98-60,051.12-20,301.68

Finding the Fourth Proportional to 40,008.98, 60,051.12 and 20,301.68

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Solution

The fourth proportional to 40,008.98, 60,051.12 and 20,301.68 is: 30,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.98 : 60,051.12 = 20,301.68 : x
  2. Step 2: Convert to fraction form
    40,008.98/60,051.12 = 20,301.68/x
  3. Step 3: Cross multiply
    40,008.98x = 60,051.12 × 20,301.68
  4. Step 4: Simplify right side
    40,008.98x = 1,219,138,220.12
  5. Step 5: Solve for x
    x = 1,219,138,220.12/40,008.98
  6. Step 6: Final answer
    x = 30,471.62

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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.