Home / 43,670.14-65,505.51-18,689.13

Finding the Fourth Proportional to 43,670.14, 65,505.51 and 18,689.13

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Solution

The fourth proportional to 43,670.14, 65,505.51 and 18,689.13 is: 28,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670.14 : 65,505.51 = 18,689.13 : x
  2. Step 2: Convert to fraction form
    43,670.14/65,505.51 = 18,689.13/x
  3. Step 3: Cross multiply
    43,670.14x = 65,505.51 × 18,689.13
  4. Step 4: Simplify right side
    43,670.14x = 1,224,240,992.11
  5. Step 5: Solve for x
    x = 1,224,240,992.11/43,670.14
  6. Step 6: Final answer
    x = 28,033.82

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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.