Home / 43,710.18-65,574.99-12,543.06

Finding the Fourth Proportional to 43,710.18, 65,574.99 and 12,543.06

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Solution

The fourth proportional to 43,710.18, 65,574.99 and 12,543.06 is: 18,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.18 : 65,574.99 = 12,543.06 : x
  2. Step 2: Convert to fraction form
    43,710.18/65,574.99 = 12,543.06/x
  3. Step 3: Cross multiply
    43,710.18x = 65,574.99 × 12,543.06
  4. Step 4: Simplify right side
    43,710.18x = 822,511,034.07
  5. Step 5: Solve for x
    x = 822,511,034.07/43,710.18
  6. Step 6: Final answer
    x = 18,817.38

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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.