Home / 29,191.64-43,788.30-11,421.56

Finding the Fourth Proportional to 29,191.64, 43,788.30 and 11,421.56

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Solution

The fourth proportional to 29,191.64, 43,788.30 and 11,421.56 is: 17,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.64 : 43,788.30 = 11,421.56 : x
  2. Step 2: Convert to fraction form
    29,191.64/43,788.30 = 11,421.56/x
  3. Step 3: Cross multiply
    29,191.64x = 43,788.30 × 11,421.56
  4. Step 4: Simplify right side
    29,191.64x = 500,130,695.75
  5. Step 5: Solve for x
    x = 500,130,695.75/29,191.64
  6. Step 6: Final answer
    x = 17,132.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.