Home / 55,086.11-76,012.65-31,207.67

Finding the Fourth Proportional to 55,086.11, 76,012.65 and 31,207.67

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Solution

The fourth proportional to 55,086.11, 76,012.65 and 31,207.67 is: 43,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.11 : 76,012.65 = 31,207.67 : x
  2. Step 2: Convert to fraction form
    55,086.11/76,012.65 = 31,207.67/x
  3. Step 3: Cross multiply
    55,086.11x = 76,012.65 × 31,207.67
  4. Step 4: Simplify right side
    55,086.11x = 2,372,177,697.03
  5. Step 5: Solve for x
    x = 2,372,177,697.03/55,086.11
  6. Step 6: Final answer
    x = 43,063.08

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1.5x scale

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.