Home / 34,396.76-47,459.04-20,047.88

Finding the Fourth Proportional to 34,396.76, 47,459.04 and 20,047.88

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Solution

The fourth proportional to 34,396.76, 47,459.04 and 20,047.88 is: 27,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.76 : 47,459.04 = 20,047.88 : x
  2. Step 2: Convert to fraction form
    34,396.76/47,459.04 = 20,047.88/x
  3. Step 3: Cross multiply
    34,396.76x = 47,459.04 × 20,047.88
  4. Step 4: Simplify right side
    34,396.76x = 951,453,138.84
  5. Step 5: Solve for x
    x = 951,453,138.84/34,396.76
  6. Step 6: Final answer
    x = 27,661.13

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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.