Home / 56,811.14-78,395.84-31,316.19

Finding the Fourth Proportional to 56,811.14, 78,395.84 and 31,316.19

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Solution

The fourth proportional to 56,811.14, 78,395.84 and 31,316.19 is: 43,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.14 : 78,395.84 = 31,316.19 : x
  2. Step 2: Convert to fraction form
    56,811.14/78,395.84 = 31,316.19/x
  3. Step 3: Cross multiply
    56,811.14x = 78,395.84 × 31,316.19
  4. Step 4: Simplify right side
    56,811.14x = 2,455,059,020.65
  5. Step 5: Solve for x
    x = 2,455,059,020.65/56,811.14
  6. Step 6: Final answer
    x = 43,214.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.