Home / 55,281.14-76,290.01-31,411.85

Finding the Fourth Proportional to 55,281.14, 76,290.01 and 31,411.85

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Solution

The fourth proportional to 55,281.14, 76,290.01 and 31,411.85 is: 43,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.14 : 76,290.01 = 31,411.85 : x
  2. Step 2: Convert to fraction form
    55,281.14/76,290.01 = 31,411.85/x
  3. Step 3: Cross multiply
    55,281.14x = 76,290.01 × 31,411.85
  4. Step 4: Simplify right side
    55,281.14x = 2,396,410,462.81
  5. Step 5: Solve for x
    x = 2,396,410,462.81/55,281.14
  6. Step 6: Final answer
    x = 43,349.52

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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.