Home / 56,873.14-78,484.41-31,379.74

Finding the Fourth Proportional to 56,873.14, 78,484.41 and 31,379.74

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Solution

The fourth proportional to 56,873.14, 78,484.41 and 31,379.74 is: 43,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,873.14 : 78,484.41 = 31,379.74 : x
  2. Step 2: Convert to fraction form
    56,873.14/78,484.41 = 31,379.74/x
  3. Step 3: Cross multiply
    56,873.14x = 78,484.41 × 31,379.74
  4. Step 4: Simplify right side
    56,873.14x = 2,462,820,183.64
  5. Step 5: Solve for x
    x = 2,462,820,183.64/56,873.14
  6. Step 6: Final answer
    x = 43,303.75

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Why These Related Problems?

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