Home / 40,649.96-60,977.32-15,690.14

Finding the Fourth Proportional to 40,649.96, 60,977.32 and 15,690.14

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Solution

The fourth proportional to 40,649.96, 60,977.32 and 15,690.14 is: 23,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,649.96 : 60,977.32 = 15,690.14 : x
  2. Step 2: Convert to fraction form
    40,649.96/60,977.32 = 15,690.14/x
  3. Step 3: Cross multiply
    40,649.96x = 60,977.32 × 15,690.14
  4. Step 4: Simplify right side
    40,649.96x = 956,742,687.62
  5. Step 5: Solve for x
    x = 956,742,687.62/40,649.96
  6. Step 6: Final answer
    x = 23,536.13

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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.