Home / 55,372.60-76,421.49-31,494.67

Finding the Fourth Proportional to 55,372.60, 76,421.49 and 31,494.67

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Solution

The fourth proportional to 55,372.60, 76,421.49 and 31,494.67 is: 43,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,372.60 : 76,421.49 = 31,494.67 : x
  2. Step 2: Convert to fraction form
    55,372.60/76,421.49 = 31,494.67/x
  3. Step 3: Cross multiply
    55,372.60x = 76,421.49 × 31,494.67
  4. Step 4: Simplify right side
    55,372.60x = 2,406,869,226.35
  5. Step 5: Solve for x
    x = 2,406,869,226.35/55,372.60
  6. Step 6: Final answer
    x = 43,466.79

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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.